:T-ara

File:Tiara logo.jpg. The crown symbol here is often considered their official logo.]]

The group's name, T-ara, is based on the English word for "tiara". The name T-ara stems from the idea that they will become the "queens of the music industry". This later inspired their official fandom name, Queen's.{{cite news |date=September 27, 2012 |title= |script-title=ko:티아라-티맥스, 이름의 뜻은? "가요계 여왕+최고 되겠다" |language=ko |trans-title=Tiara-Tmax, what does the name mean? "Queen of the music industry + I will become the best" |newspaper=Newsen |url=http://www.newsen.com/news_view.php?uid=200909270930051002 |url-status=live |access-date=September 1, 2012 |archive-url=https://web.archive.org/web/20160303210400/http://www.newsen.com/news_view.php?uid=200909270930051002 |archive-date=March 3, 2016}}

The original pre-debut five T-ara members (Jiae, Jiwon, Eunjung, Hyomin and Jiyeon) trained together for nearly three years under Mnet Media.{{cite news |date=April 26, 2009 |title= |script-title=ko:화제의 그룹 '티아라', 26일 얼굴 공개 |language=ko |trans-title=Topic group 'T-ara', face reveal on the 26th |newspaper=The Korea Economic Daily |url=http://www.hankyung.com/news/app/newsview.php?aid=2009042649167 |url-status=live |access-date=September 2, 2012 |archive-url=https://web.archive.org/web/20150723173203/http://www.hankyung.com/news/app/newsview.php?aid=2009042649167 |archive-date=July 23, 2015}}{{Cite news |date=2012-04-15 |title= |script-title=ko:걸그룹 이름 뜻, 네티즌 “온 몸이 오글거리는 속 뜻” |language=ko |trans-title=The meaning of the name of the girl group, netizens “The meaning of the inside that makes the whole body cringe” |work=Star FN News |url=http://star.fnnews.com/news/index.html?no=80889 |archive-url=https://web.archive.org/web/20131105115557/http://star.fnnews.com/news/index.html?no=80889 |archive-date=2013-11-05}} In April 2009, they released their pre-debut song "Good Person" for the Cinderella Man soundtrack. The song is a remake of SG Wannabe's soundtrack of the same name. It reached the top 50 positions on multiple streaming platforms as well as the top soundtrack charts. Jiyeon teamed up with labelmates SeeYa and Davichi for a collaboration single titled "Women's Generation", which was released in May 2009. The single achieved nationwide success and became the group's first Top 3 single on the charts.{{cite news |date=April 27, 2009 |title= |script-title=ko:[포토엔]깜찍 발랄 티아라 지연, 상큼한 브이~ |trans-title=[PhotoN] Cute and lively T-ara Jiyeon, a fresh V~ |url=http://www.newsen.com/news_view.php?uid=200904262234421002 |url-status=dead |archive-url=https://web.archive.org/web/20131102095955/http://www.newsen.com/news_view.php?uid=200904262234421002 |archive-date=November 2, 2013 |access-date=September 2, 2012 |newspaper=Newsen |language=ko}}

In June 2009, Mnet Media announced that Jiae and Jiwon would be leaving T-ara due to differences in music style. The first new member to be added to the group was Boram, the daughter of singer Jeon Young-rok and actress Lee Mi-young. Soyeon, a former trainee of SM Entertainment who was supposed to be a main vocalist and the leader of Girls' Generation,{{cite news |date=July 5, 2009 |title= |script-title=ko:티아라 소연 "소녀시대는 과거일뿐, 선의의 경쟁 펼칠터"(단독 인터뷰) |language=ko |trans-title=T-ara Soyeon "Girls' Generation is only the past, there will be good competition" (exclusive interview) |newspaper=Newsen |url=http://www.newsen.com/news_view.php?uid=200907052200481010 |url-status=live |access-date=September 2, 2012 |archive-url=https://web.archive.org/web/20160303170626/http://www.newsen.com/news_view.php?uid=200907052200481010 |archive-date=March 3, 2016}} and Qri, a famous top Ulzzang at the time, were added to T-ara three weeks prior to debut. In early July 2009, the group was moved from Mnet Media to its subsidiary company Core Contents Media.{{cite news |last=Jeon |first=Hyung-hwa |date=July 9, 2009 |title= |script-title=ko:티아라, 코어컨텐츠로 소속사 이전..양파와 한솥밥 |language=ko |trans-title=T-ara transfers agency to Core Contents.. Onions and Rice in one pot |newspaper=StarNews |url=http://star.mt.co.kr/view/stview.php?no=2009070915452360906 |url-status=live |access-date=September 1, 2012 |archive-url=https://web.archive.org/web/20160303181310/http://star.mt.co.kr/view/stview.php?no=2009070915452360906 |archive-date=March 3, 2016}}

T-ara made their debut on MBC's Radio Star talk show on July 29, 2009, which was unusual for Korean artists who usually debuted on music programs instead.{{Cite web |last=Jo |first=Hyeonwu |date=2009-07-30 |title= |script-title=ko:‘라디오스타’로 데뷔한 티아라, 소녀시대와 원더걸스 격파할 수 있을까 |trans-title=Will T-ara, who debuted with ‘Radio Star’, be able to defeat Girls’ Generation and Wonder Girls? |url=http://www.kukinews.com/newsView/kuk200907300051 |url-status=live |archive-url=https://web.archive.org/web/20131019212420/http://news.kukinews.com/article/view.asp?page=1&gCode=ent&arcid=0921370824&code=41181111 |archive-date=2013-10-19 |access-date=2023-01-31 |website=Kuki News |language=ko}} Their first performance was on Mnet's M Countdown on July 30, where they performed "Lies" and b-side track "Wanna Play?" from their debut single. On July 30, CCM announced that the group received 13 invitations to variety shows only a day after debut. All tracks from the single debuted on online streaming platforms' top 100 charts, while "Lies", peaked at number five on MelOn.{{Cite web |date=2009-07-31 |title=티아라 '개콘' 출연 "왕비호 독설 이겨낼 것" |trans-title=T-ara's 'Gag Concert' Appearance: "We Will Overcome Wang Bi-ho's Toxic Words" |url=https://www.mk.co.kr/news/culture/4614497 |access-date=2024-07-27 |website=매일경제 |language=ko}}

In September 2009, Eunjung, Soyeon, Hyomin and Jiyeon collaborated with labelmates Kwangsu, Jihyuk, and Geonil of Supernova for the single "TTL (Time to Love)". It was released on September 15, 2009, and became both groups' first number one song as all Korean online charts.{{Cite web |date=2009-09-30 |title= |script-title=ko:티아라+초신성 ‘T.T.L’ 온라인 차트 싹쓸이 기염 |trans-title=T-ara + Supernova 'T.T.L' sweeps online charts |url=http://www.mtv.co.kr/news/list.php?bbs_act=read&seq=207823&category=%EB%AE%A4%EC%A7%81 |archive-url=https://archive.today/20100901073839/http://www.mtv.co.kr/news/list.php?bbs_act=read&seq=207823&category=%EB%AE%A4%EC%A7%81 |archive-date=2010-09-01 |website=MTV |language=ko}} T-ara and Supernova collaborated again for "TTL Listen 2", an alternate version of "TTL (Time to Love)", which was released on October 9, 2009, and included all the members from both groups.{{Cite news |date=2009-10-09 |title= |script-title=ko:티아라-초신성 TTL 두번째 버전 9일 전격공개 |language=ko |trans-title=Tiara-Supernova TTL 2nd version released on the 9th |work=Newsen |url=http://newsen.com/news_view.php?uid=200910090935271002&search=title&searchstring=TTL |archive-url=https://web.archive.org/web/20160303180745/http://newsen.com/news_view.php?uid=200910090935271002&search=title&searchstring=TTL |archive-date=2016-03-03}}

File:T-ara at Xbox360 invitational 2009 in Seoul from acrofan (2).jpg

T-ara released their debut studio album, Absolute First Album, on November 27, 2009.{{cite news |date=November 27, 2009 |title= |script-title=ko:티아라 'Bo Peep Bo Peep' 뮤비, 정지아 파격 노출 "클럽녀"로 활약! |language=ko |trans-title=T-ara's 'Bo Peep Bo Peep' music video, Jung Ji-ah plays an active role as a "club girl" with unconventional exposure! |newspaper=JKSTARS.COM |url=http://news.jkn.co.kr/article/news/20091127/5161088.htm |url-status=live |access-date=September 10, 2012 |archive-url=https://web.archive.org/web/20141006195633/http://news.jkn.co.kr/article/news/20091127/5161088.htm |archive-date=October 6, 2014|author1= 재경일보}} In order to determine the album's title track, Core Contents Media held a survey in which the public had to choose between "Bo Peep Bo Peep" or "Like the First Time". 9,000 people took the survey on various music portals with 53% (4,770 people) choosing "Like The First Time" over "Bo Peep Bo Peep".{{cite news |date=December 2, 2010 |title= |script-title=ko:티아라, 타이틀곡은 '처음처럼' 활동은 '보핍보핍' |language=ko |trans-title=T-ara, the title song is 'Like the First Time' and the promotion is 'Bo Peep Bo Peep' |newspaper=Sports Chosun |url=http://news.nate.com/view/20091202n07640 |url-status=live |access-date=September 10, 2012 |archive-url=https://archive.today/20130129135900/http://news.nate.com/view/20091202n07640 |archive-date=January 29, 2013}} However, the latter was promoted on music shows instead for unknown reasons. "Bo Peep Bo Peep" peaked at number four on the Gaon chart, while "Like The First" peaked at number ten.{{cite web|title=:: 가온차트와 함께하세요|url=http://www.gaonchart.co.kr/main/section/total/list.gaon|work=Gaon|publisher=Korea Music Content Industry Association|access-date=September 10, 2012|pages=2010 년, 2009.12.27~2010.01.02|archive-date=July 3, 2013|archive-url=https://web.archive.org/web/20130703173233/http://www.gaonchart.co.kr/main/section/total/list.gaon|url-status=live}} They held their comeback performance on Music Bank on December 4, 2009. At the 24th Golden Disk Awards, T-ara was awarded Rookie of the Year along with 4minute.{{cite news |last=Jin |first=Hyang-hui |date=December 10, 2009 |title= |script-title=ko:[골드디스크] 포미닛-티아라, 신인상 수상...걸그룹 열풍 입증 |language=ko |trans-title=[Gold Disc] 4Minute-T-ara won the Rookie of the Year award...proving the girl group craze |newspaper=MK News |url=http://news.mk.co.kr/outside/view.php?year=2009&no=637714 |url-status=dead |access-date=September 9, 2012 |archive-url=https://archive.today/20130218231657/http://news.mk.co.kr/outside/view.php?year=2009&no=637714 |archive-date=February 18, 2013}}

File:T-ara at the Mnet 20's Choice Awards.jpg in 2010]]

The group won their first-ever music show award with "Bo Peep Bo Peep" on the New Year's Day episode of Music Bank.{{cite news |date=January 1, 2010 |title= |script-title=ko:티아라, 새해 첫 '뮤직뱅크' 1위..눈물 펑펑 |language=ko |trans-title=T-ara's first 'Music Bank' 1st place in the new year.. Tears profusely |newspaper=StarNews |url=http://star.mt.co.kr/view/stview.php?no=2010010120064136667&outlink=2&SVEC |url-status=live |access-date=September 1, 2012 |archive-url=https://web.archive.org/web/20160303193355/http://star.mt.co.kr/view/stview.php?no=2010010120064136667&outlink=2&SVEC |archive-date=March 3, 2016}} The song went on to win five awards in total: two on Music Bank and three on Inkigayo, earning them their first "Triple Crown". Later in January 2010, the group announced promotions for their b-side track, "Like The First Time", which ended quickly as Soyeon was diagnosed with H1N1.{{cite web |date=January 28, 2010 |title= |script-title=ko:티아라 소연 '공신' 촬영 중 실신 응급실行 '신종플루 의심판정' |trans-title=T-ara Soyeon faints during filming of 'Gongsin', goes to emergency room 'swine flu suspected' – Newsen |url=http://newsen.com/news_view.php?uid=201001281328311002 |url-status=live |archive-url=https://web.archive.org/web/20150723173153/http://newsen.com/news_view.php?uid=201001281328311002 |archive-date=July 23, 2015 |access-date=May 4, 2013 |website=Newsen}} The same month, T-ara made a cameo appearance on the seventh and eight episodes of God of Study, in which Jiyeon played a main role.{{cite news |date=January 10, 2010 |title= |script-title=ko:티아라 불량소녀 변신 '공부의 신' 특별 출연 |language=ko |trans-title=T-ara Delinquent Girl Transformation Special Appearance in 'God of Study' |newspaper=Newsen |url=http://www.newsen.com/news_view.php?uid=201001121125251001 |url-status=live |access-date=September 10, 2012 |archive-url=https://web.archive.org/web/20160303202503/http://www.newsen.com/news_view.php?uid=201001121125251001 |archive-date=March 3, 2016}}

In February 2010, the group announced a re-release of their debut album under the title Breaking Heart. The lead single, "You Drive Me Crazy" and b-side track "I'm Really Hurt", were digitally released on February 23, 2010, and peaked at number one and number thirty-one on the Gaon chart,{{cite news |date=February 23, 2010 |title= |script-title=ko:티아라 '너 때문에 미쳐' 실시간차트1위 |language=ko |trans-title=T-ara's 'I Go Crazy Because of You' topped the real-time chart |newspaper=kyeongin.com |url=http://www.kyeongin.com/news/articleView.html?idxno=503455 |url-status=live |access-date=September 1, 2012 |archive-url=https://web.archive.org/web/20131204192314/http://www.kyeongin.com/news/articleView.html?idxno=503455 |archive-date=December 4, 2013}} respectively.

T-ara held their comeback performance on the same day on M Countdown, and won several music awards for "You Drive Me Crazy" over the course of their promotions: two consecutive Mutizen wins on Inkigayo {{cite news |date=March 31, 2010 |title= |script-title=ko:티아라 '너때문에 미쳐' 엠카·인기가요 '2관왕' |language=ko |trans-title=T-ara 'I Go Crazy Because of You' M Countdown, Inkigayo '2 crowns' |newspaper=Newsen |url=http://www.newsen.com/news_view.php?uid=201003211758251002 |url-status=live |access-date=September 1, 2012 |archive-url=https://web.archive.org/web/20131019161730/http://www.newsen.com/news_view.php?uid=201003211758251002 |archive-date=October 19, 2013}} and one first place award on M Countdown.{{cite news|last=Go|first=Yeong-bong|title=티아라 '너때문에 미쳐', '엠카운트다운' 1위..'눈물바다'|url=http://www.gwangnam.co.kr/news/news_view.htm?idxno=2010031822563777110|access-date=September 1, 2012|newspaper=Gwangnam|date=March 18, 2010}}{{dead link|date=March 2018 |bot=InternetArchiveBot |fix-attempted=yes }} Breaking Heart was released physically on March 3, 2010, peaking at number two on the weekly Gaon chart and number thirty-five on the yearly chart; selling 40,695 copies.{{cite web |url=http://www.gaonchart.co.kr/main/section/notice/view.gaon?idx=36 |script-title=ko:2010년 가온차트 부문별 Top 100위 |date=February 8, 2011 |work=Gaon Chart |publisher=Korea Music Content Industry Association |language=ko |archive-url=https://web.archive.org/web/20110213045903/http://www.gaonchart.co.kr/main/section/notice/view.gaon?idx=36 |archive-date=February 13, 2011 |access-date=November 23, 2014|title=Circle Chart }} After promotions for "You Drive Me Crazy" ended, T-ara performed "I'm Really Hurt" on music shows until early April 2010. In June 2010, the group donated all the proceeds of the World Cup merchandise sold on their online clothing shop T-ara Dot Com to a charity for African children.{{Cite web |date=2010-06-05 |title= |script-title=ko:티아라, 온라인 쇼핑몰 월 매출 6억 돌파 '대박' |trans-title=T-ara, monthly sales of online shopping mall exceeded 600 million, 'awesome' |url=https://www.asiae.co.kr/article/2010060510245792296 |url-status=live |archive-url=https://web.archive.org/web/20160303194536/http://www.asiae.co.kr/news/view.htm?idxno=2010060510245792296 |archive-date=2016-03-03 |access-date=2023-01-31 |website=Asiae |language=ko}} On July 16, 2010, T-ara representatives announced the addition of Hwayoung Ryu as the seventh member of the group. The reason given was that with so many solo projects, they would be able to have a more complete lineup for T-ara when individual members were filming or doing other appearances. They also stated that it would allow the members to undertake more solo activities, and would give them all some relief from their heavy schedules.{{Cite web |last=프라임경제 |title=티아라 새멤버 류화영은 누구? 쌍둥이 언니 류효영도 관심 ↑ |trans-title=Who is T-ara's new member Ryu Hwa-young? Twin sister Ryu Hyo-young also gaining attention ↑ |url=http://www.newsprime.co.kr/news/article.html?no=146232 |access-date=2024-07-27 |website=프라임경제 |language=ko}} "You Drive Me Crazy" ended up being the third best selling girl group song of the year, several other T-ara songs were also placed at Gaon's year-end singles.

In November 2010, the group was in the third season of the reality show Hello Baby, in which they took care of Moon Mason and his two brothers.{{Cite web |last=마이데일리 |title=티아라, 2AM에 '아이들의 아빠가 돼주세요'…'헬로 베이비' |trans-title=T-ara, 2AM, 'Please Become the Children's Father'... 'Hello Baby' |url=https://mydaily.co.kr/ |access-date=2024-07-27 |website=mydaily.co.kr |language=ko}} T-ara released the digital download for "Wae Ireoni", the lead single for their first extended play, Temptastic, on November 23, 2010.{{cite news |date=November 24, 2010 |title= |script-title=ko:7인조 컴백 티아라, 문구류도 '대박났네' – 연예 – 스포츠서울닷컴 |language=ko |trans-title=Seven-member comeback T-ara, stationery is also 'awesome' – Entertainment – SportsSeoul.com |newspaper=Sports Seoul |url=http://news.sportsseoul.com/read/entertain/898863.htm |url-status=dead |access-date=June 8, 2012 |archive-url=https://web.archive.org/web/20130123205335/http://news.sportsseoul.com/read/entertain/898863.htm |archive-date=January 23, 2013 |df=mdy-all}} Temptastic was released in digital format on December 1, 2010, along with their second single, "Yayaya". The album's physical release was delayed until December 3 due to the bombardment of Yeonpyeong earlier in November 2010.{{cite web |date=2010-11-25 |title=T-ara album release date delayed to December 3 |url=http://www.asiae.co.kr/news/view.htm?sec=ent5&idxno=2010112516463978219 |url-status=live |archive-url=https://web.archive.org/web/20160128210901/http://www.asiae.co.kr/news/view.htm?sec=ent5&idxno=2010112516463978219 |archive-date=January 28, 2016 |access-date=December 14, 2010 |website=Asiae}}

T-ara held their first comeback performance through Music Bank on December 3 and began promotions with their new seventh member, Hwayoung, and new leader, Boram, and received two consecutive wins for "Wae Ireoni" and "Yayaya" on M Countdown.

File:T-ara at the Cyworld Dream Music Festival.jpg" at the Cyworld Music Festival in 2011]]

T-ara's second EP John Travolta Wannabe was released on June 29, 2011.{{cite web| url=http://hanteo.com/search/nalbum_info2.asp?mcode=001207329| publisher=Hanteo| language=ko| title=T-ara – John Travolta Wannabe| access-date=August 26, 2015| archive-date=January 28, 2016| archive-url=https://web.archive.org/web/20160128210900/http://hanteo.com/search/nalbum_info2.asp?mcode=001207329| url-status=live}} It charted at number three on the Gaon Album Chart and has sold 30,116 copies as of 2011.{{cite web| archive-url=https://web.archive.org/web/20150308071726/http://gaonchart.co.kr/main/section/chart/album.gaon?nationGbn=T&serviceGbn=&targetTime=28&hitYear=2011&termGbn=week| url=http://gaonchart.co.kr/main/section/chart/album.gaon?nationGbn=T&serviceGbn=&targetTime=28&hitYear=2011&termGbn=week| title=Album Chart: June 26–July 2, 2011| publisher=Gaon Music Chart| archive-date=March 8, 2015}}{{cite web| archive-url=https://web.archive.org/web/20140723231510/http://www.gaonchart.co.kr/chart/album.php?f_chart_kind_cd=T&nationGbn=&f_month=3&f_year=2011&f_type=year| url=http://www.gaonchart.co.kr/chart/album.php?f_chart_kind_cd=T&nationGbn=&f_month=3&f_year=2011&f_type=year| title=Album Chart: 2011| publisher=Gaon Music Chart| language=ko| archive-date=July 23, 2014}} The EP's only single, "Roly-Poly", peaked at number two on the Gaon Digital Chart and number one on the Korea K-Pop Hot 100 chart.{{cite web| archive-url=https://web.archive.org/web/20150211004403/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL&targetTime=30&hitYear=2011&termGbn=week| url=http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL&targetTime=30&hitYear=2011&termGbn=week| title=Digital Chart: July 10–16, 2011| publisher=Gaon Music Chart| language=ko| archive-date=February 11, 2015}}{{cite magazine| archive-url=https://web.archive.org/web/20150317051338/http://www.billboard.com/charts/k-pop-hot-100/2011-08-27| url=http://www.billboard.com/charts/k-pop-hot-100/2011-08-27| title=Korea K-Pop Hot 100: August 27, 2011| magazine=Billboard| archive-date=March 17, 2015}} The single became a breakthrough success, becoming the top-grossing and highest-selling single of 2011 in South Korea with over four digital million units sold.{{cite web |date=December 14, 2011 |title= |script-title=ko:올해 가장 많이 팔린 음원은? 티아라 '롤리폴리' |trans-title=What is the best-selling song of the year? T-ara 'Roly Poly' |url=http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=106&oid=109&aid=0002285843 |url-status=live |archive-url=https://web.archive.org/web/20131019211856/http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=106&oid=109&aid=0002285843 |archive-date=October 19, 2013 |access-date=August 26, 2015 |publisher=Naver |language=ko}} "Roly-Poly" was awarded Best Music Video at the 3rd Melon Music Awards{{cite web |url=http://www.melon.com/svc/awards/2011/result/result01.jsp |title=2011 MelOn Music Awards |publisher=Melon |language=ko |access-date=August 26, 2015 |archive-date=September 27, 2013 |archive-url=https://web.archive.org/web/20130927171147/http://www.melon.com/svc/awards/2011/result/result01.jsp |url-status=live }} and Singer of the Year (July) at the 1st Gaon Chart Awards, and was nominated Best Dance Performance by a Female Group and Song of the Year at the 13th Mnet Asian Music Awards.

The group released a limited edition re-issue of John Travolta Wannabe, titled Roly-Poly in Copacabana, on August 2, 2011.{{cite news |date=August 1, 2011 |title= |script-title=ko:티아라의 '롤리폴리' 새 버전 '코파카바나'란? |language=ko |trans-title=What is T-ara's new version of 'Roly Poly', 'Copacabana'? |newspaper=Nate |url=http://news.nate.com/view/20110801n09774 |url-status=live |access-date=September 10, 2012 |archive-url=https://web.archive.org/web/20160128210859/http://news.nate.com/view/20110801n09774 |archive-date=January 28, 2016}} It featured an alternate version of "Roly Poly" ,"Roly-Poly in Copacabana", is a Eurodance remix of "Roly-Poly", named after the song "Copacabana" which was popularized in the 80's in Jongno disco clubs. The album peaked at number three, while the single peaked at number forty and forty-five on the Gaon and Billboard Korea K-Pop Hot 100 charts. The group began follow up promotions for the remixed single on Music Bank. T-ara released their debut Japanese single "Bo Peep Bo Peep" on September 28,{{cite web |title= |script-title=ja:Ｔ－ＡＲＡのCDシングルランキング、Ｔ－ＡＲＡのプロフィールならオリコン芸能人事典-ORICON STYLE |trans-title=T-ARA's CD Single Ranking, T-ARA's Profile Oricon Celebrity Encyclopedia-ORICON STYLE |url=http://www.oricon.co.jp/prof/artist/488026/ranking/cd_single/ |url-status=live |archive-url=https://web.archive.org/web/20111008173030/http://www.oricon.co.jp/prof/artist/488026/ranking/cd_single/ |archive-date=October 8, 2011 |access-date=September 10, 2012 |work=Oricon Style |publisher=Oricon Inc}} which peaked at number one on the Oricon weekly singles chart with over {{nowrap| {{significant figures| 49,712 / 1,000| 3}} thousand}} copies sold, making them the first non-Japanese girl group to rank at number one for a debut single in Oricon history. The single peaked at number one on the Billboard Japan Hot 100,{{cite magazine|url=http://www.billboard-japan.com/system/jp_charts/hot100 |title=Billboard Japan Hot 100 |magazine=Billboard |access-date=October 14, 2011 |language=ja |url-status=dead |archive-url=https://web.archive.org/web/20110511234807/http://www.billboard-japan.com/system/jp_charts/hot100/ |archive-date=May 11, 2011 }} and was certified Gold by the RIAJ for both full-length cellphone downloads and PC downloads.{{cite web | script-title=ja:一般社団法人 日本レコード協会｜各種統計 | trans-title=Record Association report: December 2011 Gold List and other approved work | url=http://www.riaj.or.jp/data/others/chart/w120120.html | work=RIAJ | language=ja | access-date=September 10, 2012 | archive-date=July 17, 2014 | archive-url=https://web.archive.org/web/20140717075919/http://www.riaj.or.jp/data/others/chart/w120120.html | url-status=live }}{{cite web |title= |script-title=ja:一般社団法人 日本レコード協会｜各種統計 |trans-title=Recording Industry Association of Japan｜Various Statistics |url=http://www.riaj.or.jp/data/others/chart/w120518.html |url-status=live |archive-url=https://web.archive.org/web/20140717034501/http://www.riaj.or.jp/data/others/chart/w120518.html |archive-date=July 17, 2014 |access-date=May 20, 2012 |work=RIAJ }}

File:T-ara from acrofan.jpg Daum Music Fest in 2011]]

In November 2011, T-ara released their third extended play Black Eyes which charted at number two on the Gaon charts.{{cite web |title=가온차트와 함께하세요 |url=http://www.gaonchart.co.kr/main/section/album/list.gaon |url-status=live |archive-url=https://web.archive.org/web/20121203100420/http://www.gaonchart.co.kr/main/section/album/list.gaon |archive-date=December 3, 2012 |access-date=September 10, 2012 |work=Gaon |publisher=Korea Music Content Industry Association |pages=2011 년, 2011.11.13~2011.11.19}} The album was preceded by the release of "Cry Cry", which peaked at number one on the Billboard Korea K-Pop Hot 100 and won two consecutive first-place awards on M Countdown. The music video for "Cry Cry" was noted for having a billion South Korean won production budget and a thirty-minute drama story line.{{cite news |date=October 20, 2011 |title= |script-title=ko:차승원 "티아라 멤버들 연기력은 모두 평균 이상" 극찬 |language=ko |trans-title=Cha Seung-won praised "All T-ara members' acting skills are above average" |newspaper=Nate |url=http://news.nate.com/view/20111020n09906 |url-status=live |access-date=September 10, 2012 |archive-url=https://web.archive.org/web/20160128210859/http://news.nate.com/view/20111020n09906 |archive-date=January 28, 2016}} The group released their second Japanese single, a remake of "Yayaya" from their Temptastic EP, on November 30.{{cite web |title= |script-title=ja:T-ARA『遅くなりましたが・・・』 |trans-title=T-ARA "I'm late, but..." |url=http://ameblo.jp/t-ara777/entry-11039213160.html |url-status=live |archive-url=https://web.archive.org/web/20160304002820/http://ameblo.jp/t-ara777/entry-11039213160.html |archive-date=March 4, 2016 |access-date=May 6, 2017 |website=Ameblo.jp}} The single peaked at number seven on the Oricon charts and number six on the Billboard Japan Hot 100.

In December 2011, Core Contents Media announced that T-ara's third leader Hyomin would be passing on her leadership to Soyeon.{{cite web |title= |script-title=ko:티아라, 효민에서 소연으로 갑적스런 리더 교체 왜 |trans-title=T-ara, why the sudden change of leader from Hyomin to Soyeon |url=http://news.nate.com/view/20111207n06751 |url-status=live |archive-url=https://web.archive.org/web/20160128210859/http://news.nate.com/view/20111207n06751 |archive-date=January 28, 2016 |access-date=May 6, 2017 |publisher=Nate}} The group performed a three-day mini-concert tour titled X-mas Premium Live, that was held at the Shinagawa Stella Hall in Tokyo, the Zepp in Nagoya, and the Zepp in Osaka. T-ara rose to become the second biggest girl group in Korea in 2011 by ranking at number eight on the Gallup Korea poll.{{cite web |date=2011-12-26 |title= |script-title=ko:소녀시대, 전 연령대 1위..3년 연속 '올해 최고 가수' |trans-title=Girls' Generation, No. 1 in all age groups... 'Best Singer of the Year' for 3 consecutive years |url=http://view.heraldm.com/view.php?ud=20111226000537 |url-status=live |archive-url=https://web.archive.org/web/20121115135316/http://view.heraldm.com/view.php?ud=20111226000537 |archive-date=November 15, 2012 |access-date=August 13, 2012 |publisher=View.heraldm.com}} T-ara and Davichi released their Christmastide ballad, "We Were in Love" on December 23, 2011;{{cite news |date=December 20, 2011 |title= |script-title=ko:티아라+다비치, 뭉쳤다..X마스이브 '협창 발라드' |language=ko |trans-title=T-ara + Davichi, united..Xmas Eve 'Singer Ballad' |newspaper=Sports Chosun |url=http://star.mt.co.kr/view/stview.php?no=2011122011203690090&outlink=2&SVEC |url-status=live |access-date=September 10, 2012 |archive-url=https://web.archive.org/web/20160303180556/http://star.mt.co.kr/view/stview.php?no=2011122011203690090&outlink=2&SVEC |archive-date=March 3, 2016}} it was later included on T-ara's Funky Town re-release album. The single reached number one on the Gaon Chart and peaked at number two on the Billboard Korea K-Pop Hot 100.{{cite magazine|title=Korea K-Pop Hot 100 Music Chart {{!}} Billboard.com|url=http://www.billboard.com/charts/2012-01-14/k-pop-hot-100|magazine=Billboard|date=April 3, 2012|access-date=September 10, 2012|archive-date=June 23, 2013|archive-url=https://web.archive.org/web/20130623114442/http://www.billboard.com/charts/2012-01-14/k-pop-hot-100|url-status=live}} Both groups performed the song weekly on SBS's Inkigayo. In November 2011, CCM announced that T-ara will not be attending any year-end award ceremonies due to their heavy schedules in and outside South Korea, which resulted in the group's immediate elimination from most of the country's award nomination lists.{{Cite web |date=2011-11-11 |title=티아라 시상식 불참 선언, 네티즌 "좀 희한한 일 같으면서도…" |trans-title=T-ara declares they will not attend awards ceremony, netizens say, “It seems a bit strange, but…” |url=https://fr.news.yahoo.com/%ED%8B%B0%EC%95%84%EB%9D%BC-%EC%8B%9C%EC%83%81%EC%8B%9D-%EB%B6%88%EC%B0%B8-%EC%84%A0%EC%96%B8-%EB%84%A4%ED%8B%B0%EC%A6%8C-%EC%A2%80-%ED%9D%AC%ED%95%9C%ED%95%9C-%EC%9D%BC-011447842.html |access-date=2024-07-27 |website=Yahoo News |language=fr-FR}}

T-ara re-released Black Eyes under the title Funky Town on January 3, 2012. The album peaked at number one on the Gaon weekly album chart and number two on the monthly album chart, selling 76.749{{cite web|title=Gaon Yearly Album Sales|url=http://gaonchart.co.kr/main/section/chart/album.gaon?nationGbn=T&serviceGbn=&targetTime=2012&hitYear=2012&termGbn=year|website=Gaon|access-date=11 April 2015|publisher=Gaon Music Chart|archive-date=February 3, 2015|archive-url=https://web.archive.org/web/20150203005818/http://gaonchart.co.kr/main/section/chart/album.gaon?nationGbn=T&serviceGbn=&targetTime=2012&hitYear=2012&termGbn=year|url-status=live}} copies. "Lovey-Dovey" was released as the second single from the album, which peaked at number one on both the Gaon and Billboard Korea K-pop Hot 100 charts. The single has sold more than 3 million digital copies in South Korea alone. In February, Forbes Korea, in celebration of their ninth year of establishment, reported the year's list of the "Top 40 Power Celebrities". T-ara ranked on the list at number seventeen, thus making them as the third most powerful girl group and the seventh most powerful female celebrity in Korea.{{cite web |date=February 25, 2012 |title= |script-title=ko:韓유명인 40명에 재계인사'0'…1위는 소녀시대 :: 네이버 뉴스 |trans-title='0' in the business world among 40 Korean celebrities... 1st place is SNSD :: Naver News |url=http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=101&oid=025&aid=0002187244 |url-status=live |archive-url=https://web.archive.org/web/20131012012441/http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=101&oid=025&aid=0002187244 |archive-date=October 12, 2013 |access-date=August 13, 2012 |publisher=Naver |language=ko}}

File:T-ara on June 11, 2012 (from acrofan).jpg

On June 14, 2012, Core Contents Media introduced 18-year-old Areum as the new maknae ({{lang|ko|막내}}, youngest member).{{cite web |title= |script-title=ko:[단독] 티아라, 8번째 멤버는 '아름'..얼굴최초공개 '깜찍' |trans-title=[Exclusive] T-ara, the 8th member is 'beautiful'... first face reveal 'cute' |url=http://news.nate.com/view/20120612n08343 |url-status=live |archive-url=https://web.archive.org/web/20160128210859/http://news.nate.com/view/20120612n08343 |archive-date=January 28, 2016 |access-date=August 13, 2012 |publisher=Nate News}} On May 23, T-ara released "Round & Round", a remake of Nami's 1984 hit. The song received both critical and commercial success becoming the group's seventh top ten hit in South Korea since 2010. It received generally positive reviews from critics praising T-ara for bringing it a new fresh sound. It was selected by SPIELTIMES as one of the best K-Pop remakes.{{Cite web |date=2022-12-15 |title=Top 20 K-pop Remakes of Old K-pop |url=https://www.spieltimes.com/news/top-20-k-pop-remakes-of-old-k-pop/#.ZELTiHbMLIU |url-status=live |access-date=2023-04-21 |website=spieltimes.com |archive-date=April 21, 2023 |archive-url=https://web.archive.org/web/20230421184331/https://www.spieltimes.com/news/top-20-k-pop-remakes-of-old-k-pop/#.ZELTiHbMLIU }}

The group released their first Japanese album Jewelry Box on June 6, 2012. The album debuted at number two on the Oricon weekly albums chart with sales of over 57,000 copies.{{cite web |url=http://www.oricon.co.jp/ |title=Oricon Style |publisher=Oricon.co.jp |access-date=August 13, 2012 |archive-date=January 31, 2010 |archive-url=https://web.archive.org/web/20100131231235/http://www.oricon.co.jp/ |url-status=live }} The album was later certified Gold by RIAJ for physical sales shipments. They embarked on their first Japanese concert tour T-ara Japan Tour 2012: Jewelry Box in Nagoya on June 19; the tour's attendance was expected to exceed 40,000 people.{{cite web |title= |script-title=ko:티아라, 오는 6월 日에 1집 앨범 발매...'일본 투어도' :: 네이버 뉴스 |trans-title=T-ara to release 1st album in Japan in June...'Japan tour' MottoKorea |url=http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=106&oid=109&aid=0002315252 |url-status=live |archive-url=https://web.archive.org/web/20131012012441/http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=106&oid=109&aid=0002315252 |archive-date=October 12, 2013 |access-date=June 8, 2012 |work=Osen |publisher=Naver}} On July 3, T-ara released their fourth extended play, Day by Day, which charted at number five on the Gaon chart. The title track, "Day by Day", was released as a single on the same day, peaking at number two. The first comeback performance for "Day by Day" was held on July 7, 2012, on Music Core, which was backed by a 70-person orchestra and featured the stage debut of the group's eighth member, Areum.

On July 25-26, T-ara held a concert in Japan where Hwayoung performed only one song due to an alleged leg injury. Afterward, Hyomin tweeted, "There are differences in levels of determination. Let us have more determination," which the other members supported. Hwayoung responded, "Sometimes, even determination alone is not enough... God, you know everything right?". Her sister Hyoyoung added, "My better half is suffering. My heart hurts.". These tweets led to speculation of conflict within the group, sparking a major controversy and backlash against the members.{{cite news |author1=Park |first=Eun-jee |date=30 July 2012 |title=T-ara may be turning on Hwa-young |url=http://koreajoongangdaily.joins.com/news/article/article.aspx?aid=2957010 |url-status=live |archive-url=https://web.archive.org/web/20150402113623/http://koreajoongangdaily.joins.com/news/article/article.aspx?aid=2957010 |archive-date=April 2, 2015 |access-date=28 February 2015 |work=Korea JoongAng Daily}}{{cite news |date=31 Jul 2012 |title=T-ara Member's Firing Reveals Culture of Catfights |url=http://english.chosun.com/site/data/html_dir/2012/07/31/2012073101553.html |url-status=live |archive-url=https://web.archive.org/web/20150304092019/http://english.chosun.com/site/data/html_dir/2012/07/31/2012073101553.html |archive-date=March 4, 2015 |access-date=28 February 2015 |work=The Chosun Ilbo}}{{cite news |last1=Hong |first1=Grace Danbi |date=30 July 2012 |title=Netizen Dig Up 'Proof' of T-ara Members Bullying Hwa Young in the Past |url=http://mwave.interest.me/enewsworld/en/article/11126/netizen-dig-up-proof-of-t-ara-members-bullying-hwa-young-in-the-past |url-status=dead |archive-url=https://web.archive.org/web/20160304002549/http://mwave.interest.me/enewsworld/en/article/11126/netizen-dig-up-proof-of-t-ara-members-bullying-hwa-young-in-the-past |archive-date=March 4, 2016 |access-date=28 February 2015 |work=enewsWorld |publisher=Mwave}}

File:T-ara in Vietnam, on Nov 29, 2012.jpg

On July 30, Core Contents Media announced Hwayoung's departure after 1 year and 8 months, citing staff complaints and denying the bullying rumors.{{cite news |last1=Lee |first1=Rachel |date=30 July 2012 |title=Hwayoung to leave T-ara |url=https://www.koreatimes.co.kr/www/news/art/2014/10/201_116247.html |url-status=live |archive-url=https://web.archive.org/web/20150402095644/http://www.koreatimes.co.kr/www/news/art/2014/10/201_116247.html |archive-date=April 2, 2015 |access-date=28 February 2015 |work=The Korea Times}}{{cite news |author1=Cho Chung-un |date=30 July 2012 |title=Hwa-young to leave T-ara after rumors of bullying |url=http://www.koreaherald.com/view.php?ud=20120730001023 |url-status=live |archive-url=https://web.archive.org/web/20150402104354/http://www.koreaherald.com/view.php?ud=20120730001023 |archive-date=April 2, 2015 |access-date=28 February 2015 |work=The Korea Herald}} Despite both sides stating there was no bullying,{{Cite news |last=Ho |first=Stewart |date=2012-08-13 |title=T-ara's Leader, So Yeon, Cries While Opening Up About Hwa Young for the First Time |url=http://mwave.interest.me/enewsworld/en/article/12253/t-aras-leader-so-yeon-cries-while-opening-up-about-hwa-young-for-the-first-time |archive-url=https://web.archive.org/web/20150402095929/http://mwave.interest.me/enewsworld/en/article/12253/t-aras-leader-so-yeon-cries-while-opening-up-about-hwa-young-for-the-first-time |archive-date=2015-04-02 |work=enewsWorld |publisher=Mwave}}{{Cite news |last=Han |first=Yeji |date=2012-08-28 |title=Ex-girl group member Hwa-young confirms speculations but wants to move on |url=http://www.koreaherald.com/view.php?ud=20120828001277 |archive-url=https://web.archive.org/web/20150402190737/http://www.koreaherald.com/view.php?ud=20120828001277 |archive-date=2015-04-02 |work=The Korea Herald}}{{Cite news |last=Jeon |first=Su Mi |date=2013-05-07 |title=T-ara Talks about Hwa Young and Explains What Happened |url=http://mwave.interest.me/enewsworld/en/article/35549/t-ara-n4-explains-the-hwa-young-outcast-issue |archive-url=https://web.archive.org/web/20150402142351/http://mwave.interest.me/enewsworld/en/article/35549/t-ara-n4-explains-the-hwa-young-outcast-issue |archive-date=2015-04-02 |work=enewsWorld |publisher=Mwave}}{{cite news |date=24 October 2013 |title=T-ara recharges with new attitude |url=http://www.koreatimesus.com/t-ara-recharges-with-new-attitude/ |url-status=live |archive-url=https://web.archive.org/web/20150402121532/http://www.koreatimesus.com/t-ara-recharges-with-new-attitude/ |archive-date=April 2, 2015 |access-date=28 February 2015 |work=The Korea Times}} public opinion overwhelmingly supported Hwayoung, leading to T-ara temporarily suspending activities.{{cite news |author1=Cho |first=Chung-un |date=31 July 2012 |title=T-ara case reveals K-pop's sinister side |url=http://www.koreaherald.com/view.php?ud=20120731001374 |url-status=live |archive-url=https://web.archive.org/web/20150402181102/http://www.koreaherald.com/view.php?ud=20120731001374 |archive-date=April 2, 2015 |access-date=28 February 2015 |work=The Korea Herald}}{{cite news |author1=Park |first=HyunMin |date=1 August 2012 |title=The T-ara Incident Isn't Over Yet: Three Points Yet to be Addressed |url=http://mwave.interest.me/enewsworld/en/article/11318/the-t-ara-incident-isnt-over-yet-three-points-yet-to-be-addressed |url-status=dead |archive-url=https://web.archive.org/web/20150402091047/http://mwave.interest.me/enewsworld/en/article/11318/the-t-ara-incident-isnt-over-yet-three-points-yet-to-be-addressed |archive-date=April 2, 2015 |access-date=February 28, 2015 |work=enewsWorld |publisher=Mwave}}

It was announced that there would be no changes to T-ara's upcoming comeback; however, their agency later took the statement back and announced that their comeback would be postponed indefinitely. Their Day by Day extended play re-issue, Mirage, was eventually released on September 3, 2012. The title track "Sexy Love" and the promotional singe "Day and Night", were released from the album on the same day, with "Sexy Love" peaking at number four on the Gaon charts and number three on the Billboard Korea K-pop Hot 100 charts. "Day and Night" was a collaboration single featuring T-ara's Areum with Gun-ji of Gavy NJ and Shannon.

On September 10, 2012, it was announced that the group would release a best of album in Japan consisting of all of their Korean singles to date (excluding "Day by Day" and "Sexy Love") in celebration of one year since their Japanese debut.{{cite web |date=September 10, 2012 |title= |script-title=ja:日本デビュー1周年を記念し、T-ARA 世界初の韓国語曲BEST ALBUM リリース決定！ |trans-title=In Commemoration of the 1st Anniversary of Their Debut in Japan, T-ARA Confirmed to Release the World's First Korean Song BEST ALBUM! |url=http://ameblo.jp/t-ara777/entry-11351187878.html |url-status=live |archive-url=https://web.archive.org/web/20160304043705/http://ameblo.jp/t-ara777/entry-11351187878.html |archive-date=March 4, 2016 |access-date=September 12, 2012 |publisher=T-ARA Official Blog (Japanese)}} The album was eventually released on October 10.{{cite web |title= |script-title=ja:T-ARA（ティアラ）公式ウェブサイト ｜ トピック |trans-title=T-ARA (T-ARA) Official Website {{!}} Topic |url=http://t-ara-official.com/topic.html |url-status=dead |archive-url=https://web.archive.org/web/20121014102543/http://www.t-ara-official.com/topic.html |archive-date=October 14, 2012 |access-date=October 10, 2012 |publisher=T-ara |df=mdy-all}} On September 26, T-ara released the Japanese version of "Day by Day", which is mainly composed of scenes from their Korean music videos for that song.{{Cite web |title=Sexy Love(Japanese ver.) {{!}} T-ARA |url=https://www.oricon.co.jp/prof/488026/products/990794/1/ |access-date=5 November 2022 |website=Oricon News}} In October, T-ara released the Japanese version of "Sexy Love" and shortly after, the group departed to Japan to promote for their upcoming single.{{Cite web |title=T-ARA/Sexy Love (Japanese ver.)＜通常盤＞ |url=https://tower.jp/item/3154182/Sexy-Love-(Japanese-ver-)%EF%BC%9C%E9%80%9A%E5%B8%B8%E7%9B%A4%EF%BC%9E |access-date=22 August 2022 |website=tower.jp}}{{Cite web |title=T-ARA/Sexy Love (Japanese ver.) ［CD+DVD］＜初回限定盤B＞ |url=https://tower.jp/item/3154181/Sexy-Love-(Japanese-ver-)-%EF%BC%BBCD%EF%BC%8BDVD%EF%BC%BD%EF%BC%9C%E5%88%9D%E5%9B%9E%E9%99%90%E5%AE%9A%E7%9B%A4B%EF%BC%9E |access-date=22 August 2022 |website=tower.jp}}

In September 2012, T-ara was offered {{KRW|10 billion}} in funding for an Asia tour including China, Hong Kong, Indonesia, Vietnam, Thailand, Singapore and Malaysia. With 20 stops, the tour was set with concerts in arenas with 10,000–20,000 seats adding up to over 150,000 in total attendance.{{Cite web |title= |script-title=ko:티아라 동남아 투어 100억 제의…일본 공연과 맞물러 고민 중 |trans-title=T-ara's Southeast Asian tour offers 10 billion won... Concerned about the Japanese performance |url=https://news.nate.com/view/20121205n31123 |access-date=2022-06-30 |publisher=Nate |language=ko |archive-date=July 24, 2023 |archive-url=https://web.archive.org/web/20230724091418/https://news.nate.com/view/20121205n31123 |url-status=live }}{{Cite web |title= |script-title=ko:티아라, 동남아 콘서트 20회에 100억원 제안 받아. 일본 일정과 맞물려 고민 중 |trans-title=T-ara received an offer of 10 billion won for their 20th concert in Southeast Asia. Concerned about the Japanese schedule |url=https://news.nate.com/view/20121205n27771?mid=e01 |access-date=2022-06-30 |publisher=Nate |language=ko |archive-date=June 30, 2022 |archive-url=https://web.archive.org/web/20220630144019/https://news.nate.com/view/20121205n27771?mid=e01 |url-status=live }}

T-ara released their sixth Japanese single "Bunny Style!" on March 20, 2013. The A-side "Bunny Style!" is their first single composed specifically for the Japanese market.{{cite web |date=January 28, 2013 |title= |script-title=ja:T-ARA 待望の日本オリジナルシングル「バニスタ！」リリース決定！！ |trans-title=T-ARA's Long Awaited Japanese Original Single "Bunny Style!" Release Confirmed!! |url=http://ameblo.jp/t-ara777/entry-11458727339.html |url-status=live |archive-url=https://web.archive.org/web/20130821042156/http://ameblo.jp/t-ara777/entry-11458727339.html |archive-date=August 21, 2013 |access-date=January 28, 2013 |publisher=T-ARA Official Blog}} The single featured a solo song by each one of the members. To promote the single, the group held special showcases in 10 Japanese cities, starting on February 20, 2013, at the Sapporo Factory Atrium and ending on March 9, 2013, at the Seagull Square in Nagasaki.{{cite web|title=T-ara will release their Japanese singles on the 20th of March!|url=http://tara-banisuta.jp/#event|publisher=Universal Music LLC|access-date=April 6, 2013|url-status=dead|archive-url=https://web.archive.org/web/20130302094106/http://www.tara-banisuta.jp/#event|archive-date=March 2, 2013|df=mdy-all}} The tour reportedly attracted 100,000 attendees.{{Cite web |date=2013-03-13 |title=일본 투어 마친 티아라, 한국 찍고 내일 다시 태국으로 |url=https://ilyo.co.kr/?ac=article_view&entry_id=52316 |access-date=2022-03-19 |website=ilyo.co.kr |language=ko}} The single was later nominated for Single of the Year at the 2013 Tower Records Awards. On April 1, 2013, T-ara's Japanese label, EMI Music Japan, was absorbed into Universal Music Japan, became defunct as a company and was renamed to EMI Records Japan.{{Cite magazine |last=Flanagan |first=Andrew |date=2013-03-18 |title=Universal Music UK Announces Launch of Virgin EMI Records |url=https://www.billboard.com/music/music-news/universal-music-uk-announces-launch-of-virgin-emi-1552454/ |url-status=live |archive-url=https://web.archive.org/web/20190518113054/https://www.billboard.com/biz/articles/news/digital-and-mobile/1552454/universal-music-uk-announces-launch-of-virgin-emi |archive-date=2019-05-18 |access-date=2023-01-31 |magazine=Billboard |language=en-US}} All of T-ara's further Japanese promotions were to be done through Universal Music Japan.

In early April 2013, it was announced that T-ara would be forming a sub-unit with members Eunjung, Hyomin, Jiyeon, and Areum called T-ara N4. This is a shortened form of 'T-ara Brand New 4', signifying the transformation of the four members.{{cite web |title= |script-title=ko:신사동 호랭이 노래 들고 티아라 '4인조 유닛' 컴백 |trans-title=T-ara's '4-member unit' comeback with Shinsadong tiger song |url=http://news.nate.com/view/20130404n02670 |url-status=live |archive-url=https://web.archive.org/web/20160128210859/http://news.nate.com/view/20130404n02670 |archive-date=January 28, 2016 |access-date=April 7, 2013 |website=The Dong-a Ilbo |publisher=Nate}} The sub-unit debuted on April 29, 2013, with the song "Jeon Won Diary", produced by Duble Sidekick. T-ara performed at the Nippon Budokan on July 13, 2013, to celebrate the release of their second Japanese album Treasure Box due August 7, 2013.{{cite web |title= |script-title=ja:T-ARA 待望の2nd Albumリリース＆プレミアム先行ライブ決定！！ |trans-title=T-ARA's Long Awaited 2nd Album Release & Premium Advance Live Confirmed!! |url=http://ameblo.jp/t-ara777/entry-11505434693.html |url-status=live |archive-url=https://web.archive.org/web/20160304051401/http://ameblo.jp/t-ara777/entry-11505434693.html |archive-date=March 4, 2016 |access-date=April 7, 2013 |publisher=Ameba}} The title for Treasure Box was revealed on June 15, 2013, along with the album's track list of thirteen songs. The group's concept for the album was {{nihongo|"treasure hunting"|宝探し||"takarasagashi"}}. T-ara released the music video "Painkiller" as a digital single song. The song was a collaboration with T-ara, Davichi, See Ya, 5dolls and Speed. Jiyeon appeared as the main character in the music video.

File:130810T-ara2(treefong).JPG

On July 10, 2013, it was confirmed with a video released by Core Contents Media that Areum would be leaving the group to pursue a solo career "towards the beginning of next year".{{Cite web |date=2013-07-10 |title=티아라 측 공식발표 "멤버 아름, 팀 떠난다. 불화는…" |trans-title=T-ara's official announcement: "Member Areum is leaving the team. The discord is…" |url=http://www.mbn.co.kr/news/entertain/1411572 |access-date=2024-07-27 |website=매일방송 |language=ko}} At their Budokan Concert, it was announced that Qri would be the new leader of T-ara.{{Cite web |date=2013-07-14 |title=티아라 리더 교체 주인공 큐리 '3년만에 멤버 제자리로' |trans-title=T-ara's Leader Changes Protagonist Qri 'Returns to Member Position After 3 Years' |url=http://www.jejusori.net/news/articleView.html?idxno=131818 |access-date=2024-07-27 |website=제주의소리 |language=ko}} On September 15, Core Contents Media announced that T-ara would hold their long-awaited Korean comeback on October 10. Before their comeback, T-ara, together with Davichi, SPEED and The SeeYa held a concert in Mongolia, which attracted a crowd of 20,000 people.{{Cite web |date=September 23, 2013 |title=[단독입수] 티아라-다비치, 몽골 공연 2만명 몰려..'발딛을 틈 없어' |trans-title=[Exclusive Access] T-ara and Davichi, 20,000 people flock to Mongolia concert...'There's no time to stop' |url=https://www.chosun.com/site/data/html_dir/2013/09/23/2013092302546.html |url-status=live |archive-url=https://web.archive.org/web/20220316194807/https://www.chosun.com/site/data/html_dir/2013/09/23/2013092302546.html |archive-date=March 16, 2022 |access-date=March 16, 2022 |website=The Chosun Ilbo |language=ko}} On October 6, T-ara performed "Number 9" for the first time at "Hallyu Dream Concert".along with "Sexy Love". "Number Nine" was released with T-ara's mini album Again on October 10.The Japanese version of "Number Nine" was released on 20 November 2013. The single peaked at first on the weekly USEN chart in Japan.{{Cite web |title=T-ARA『T-ARA「NUMBER NINE (Japanese ver.)」有線K-POPチャートで1位』 |trans-title=T-ARA's "NUMBER NINE (Japanese ver.)" tops USEN K-POP chart |url=https://ameblo.jp/t-ara777/entry-11717913043.html |access-date=2024-07-26 |website=Ameba |language=ja}} "You Gave Me Guidance", a track from the single, was chosen as the soundtrack for the Japanese movie Jinx!!!.{{cite web |title=T-ARA 8th Single ジャケット写真公開！｜T-ARAオフィシャルブログpowered by Ameba |url=http://ameblo.jp/t-ara777/entry-11650464297.html |accessdate=26 October 2013 |work=T-ara Official Blog |publisher=Ameba}}

T-ara had a Korean comeback on December 2 with a repackage of Again, named Again 1977. It featured the bonus track "Do You Know Me" along with a ballad version of the song. Their concept for this comeback and music video was broadway-inspired with retro style. On December 13, T-ara released a Christmas song, "Hide & Seek". T-ara was ranked seventh as the group with most number one hit songs on digital music charts in the past decade with 13 songs, despite debuting 4.5 years ago.{{cite web |title= |script-title=ko:[디지털음원 10년, 톱 976곡] ①최다히트 가수는? |trans-title=[10 years of digital music, Top 976 songs] ① Who is the singer with the most hits? : Naver News |url=http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=106&oid=108&aid=0002273340 |access-date=August 20, 2014 |publisher=Naver |language=ko |archive-date=July 24, 2023 |archive-url=https://web.archive.org/web/20230724091534/https://entertain.naver.com/read?oid=108&aid=0002273340 |url-status=live }} Reportedly, the group made over US$18.5 million in revenue in 2013 alone, ranking second among girl group, behind Girls' Generation and 6th overall among South Korean artists.{{Cite web |title=韩国偶像捞金排行榜 男团bigbang名利双收 |trans-title=Korean idol money-making rankings: Big Bang, the boy band, has both fame and fortune |url=https://yue.ifeng.com/news/detail_2014_01/16/33086718_0.shtml |access-date=2024-12-06 |website=yue.ifeng.com}}

On January 19, 2014, T-ara had their second concert in Chengdu, China, one out of five concerts they planned to stage in China the same year.{{Cite news |date=January 16, 2014 |title=T-ara to have a solo concert in Chengdu, China |url=https://sg.style.yahoo.com/tagged/celebrity/news/t-ara-to-have-a-solo-concert-in-024304863.html |url-status=live |archive-url=https://web.archive.org/web/20220316194807/https://sg.style.yahoo.com/tagged/celebrity/news/t-ara-to-have-a-solo-concert-in-024304863.html |archive-date=March 16, 2022 |access-date=March 16, 2022 |publisher=Yahoo! Style |language=en-SG}} On February 14, T-ara held a joint concert with label-mates Speed in Phnom Penh, Cambodia which attracted over 3,000 fans.{{Cite web |date=February 17, 2014 |title=암표까지 나돈 '티아라' 캄보디아 공연 |url=http://www.dongponews.net/news/articleView.html?idxno=25482 |url-status=live |archive-url=https://web.archive.org/web/20220608013615/http://www.dongponews.net/news/articleView.html?idxno=25482 |archive-date=June 8, 2022 |access-date=March 16, 2022 |website=Dongpo News |language=ko}} On 19 February CCM released a music video for a promotional track from Cho Young Soo's All Star Project with the single titled as "First Love" sung by Hyomin, Jiyeon and Soyeon featuring rapper EB. T-ara had a Japanese comeback with the double A-side single "Lead The Way" and "LA'booN" on March 5, and their third Japanese album Gossip Girls was released on May 14.{{cite web |url=http://t-ara.ccmjapan.com |title=T-Ara ' Core Contents Media Japan Official Site |publisher=T-ara.ccmjapan.com |access-date=August 20, 2014 |archive-date=October 18, 2013 |archive-url=https://web.archive.org/web/20131018063226/http://t-ara.ccmjapan.com/ |url-status=dead }}

File:Pop group T-ara is greeting on stage during the launch ceremony for Team Korea on September 11, 2014.jpg

On September 11, T-ara's sixth mini album And & End was released along with the music video for the title track "Sugar Free" and 3 other alternate versions of the video.{{cite news|last1=Hong|first1=Grace Danbi|title=T-ara Hits the Clubs for 'Sugar Free' with Two MVs|url=http://mwave.interest.me/enewsworld/en/article/75607/tara-releases-mv|access-date=January 22, 2015|work=CJ E&M enewsWorld|date=September 11, 2014|archive-date=January 23, 2015|archive-url=https://web.archive.org/web/20150123024527/http://mwave.interest.me/enewsworld/en/article/75607/tara-releases-mv|url-status=dead}} The song was inspired by EDM and is part of the Big Room subgenre of electro house music. On September 24, a remix album was released called EDM CLUB Sugar Free Edition. It included an English version of "Sugar Free", which was the first song T-ara had recorded in English.{{cite news|last1=Benjamin|first1=Jeff|title=Listen to T-ara's English Version of David Guetta-Esque Single 'Sugar Free'|url=http://www.billboard.com/articles/columns/k-town/6259364/t-ara-sugar-free-english-korean-version|access-date=January 22, 2015|work=Billboard K-Town|date=September 24, 2014|archive-date=February 4, 2015|archive-url=https://web.archive.org/web/20150204034014/http://www.billboard.com/articles/columns/k-town/6259364/t-ara-sugar-free-english-korean-version|url-status=live}} On October 13, T-ara became the first South Korean girl group to sign with a Chinese management company. The group signed a 5 billion KRW (~US$4.8 million) contract with Longzhen Culture Development. A press conference was held in Beijing to commemorate the event. Over 100 media outlets have applied to cover the event. The company estimated that the group would bring over 16 billion KRW (~US$15.4 million) in yearly profit.{{Cite web |last=조선일보 |date=2020-07-26 |title=티아라, 중국 진출한다..50억 통큰 계약 |trans-title=T-ara enters China..5 billion won contract |url=https://www.chosun.com/site/data/html_dir/2014/09/26/2014092601772.html |access-date=2024-07-28 |website=조선일보 |language=ko}}{{Cite web |last=이데일리 |date=2014-10-12 |title=티아라, 중국 첫 진출 위해 베이징 간다..13일 출국 |trans-title=T-ara goes to Beijing for first entry into China.. Departing on the 13th |url=https://m.edaily.co.kr/News/Read?newsId=01108646606252264&mediaCodeNo=258 |access-date=2024-11-28 |website=이데일리 |language=ko}} On November 24, T-ara released a Korean cover of "Little Apple" by Chopstick Brothers, as well as a music video.{{cite news |author1=Park |first=Gyu-oh |date=November 18, 2014 |title=T-ara joins Chopstick Brothers' remake of 'Little Apple' |work=Kpop Herald |url=http://www.kpopherald.com/view.php?ud=201411181722544591796_2 |url-status=live |access-date=December 28, 2014 |archive-url=https://web.archive.org/web/20141210015150/http://www.kpopherald.com/view.php?ud=201411181722544591796_2 |archive-date=December 10, 2014}} It featured Jiyeon, Eunjung, Qri, and Hyomin, as well as Seunghee from F-ve Dolls and Dani. The video hit ́8 millions views in only a day and a half on Tudou, China's largest video sharing platform at the time. The song also topped Tudou's chart.{{Cite web |last=조선일보 |date=2020-07-26 |title=티아라, 'Little Apple' 800만뷰 돌파 앞두고 오늘 Big NG 영상공개 |trans-title=T-ara, Big NG video released today ahead of 'Little Apple' surpassing 8 million views |url=https://www.chosun.com/site/data/html_dir/2014/11/26/2014112602501.html |access-date=2024-07-28 |website=조선일보 |language=ko}} On December 25, T-ara held their first domestic concert named "Dear My Family" at COEX Auditorium in Samseongdong, Seoul. In order to be close with fans and spend a meaningful time with them, the concert was small with 1,100 seats.{{Cite web |date=2014-12-26 |title=국내 모든 걸그룹에게도 의미 있었던 '티아라 첫 단독콘서트' {{!}} 방송 : 네이트 연예 |trans-title='T-ara's first solo concert' was meaningful to all girl groups in Korea |url=https://news.nate.com/view/20141226n17140?mid=e02 |url-status=live |archive-url=https://web.archive.org/web/20231231043514/https://news.nate.com/view/20141226n17140?mid=e02 |archive-date=2023-12-31 |access-date=2023-02-19 |website=Sports Dong-a |publisher=Nate |language=ko}} On December 27, T-ara held their concert in Shanghai as the beginning stop of their China tour.

After their first concert in Korea, T-ara headed to Vietnam for a Fan meeting. On January 9, the group arrived at the airport, where problems occurred which resulted in scheduling changes. Nevertheless, the group's fan meeting, which took place on October 10, drew in more than 3,000 Vietnamese fans. On February 7, 2015, T-ara's Eunjung and Soyeon and labelmastes Cho Seunghee, Minkyung (The SeeYa), Ki-O, Jongkook and Sejun (SPEED) released a special winter single named "TS" with the track "Don't Forget Me".{{Cite web |last=조선일보 |date=2020-07-25 |title=티아라-스피드-더씨야-승희, 윈터 스페셜 '나를 잊지 말아요' 발매 |trans-title=T-ara-Speed-The Seeya-Seunghee, Winter Special 'Don't Forget Me' Released |url=https://www.chosun.com/site/data/html_dir/2015/02/09/2015020903117.html |access-date=2024-12-07 |website=조선일보 |language=ko}}

In March 2015, it was announced that T-ara would be the main performer for Malaysia's Sultan Of Johor Coronation celebrations in Johor Bahru. The event attracted 50,000 audience.{{cite web|url=http://www.freemalaysiatoday.com/category/nation/2015/03/31/sultans-selfie-with-t-ara-re-tweeted-1-million-times/|title=Sultan's selfie with T-ARA re-tweeted 1 million times|date=March 31, 2015|access-date=September 15, 2017|archive-url=https://web.archive.org/web/20170916010803/http://www.freemalaysiatoday.com/category/nation/2015/03/31/sultans-selfie-with-t-ara-re-tweeted-1-million-times/|archive-date=September 16, 2017|url-status=dead|df=mdy-all}} On June 20, 2015, T-ara began their first China tour "Great China Tour" started from Nanjing, Beijing and Hefei. It was the first concert held by T-ara after signing with their new agency Banana Plan, who manages their Chinese promotions. The group performed 22 songs and sold out 4,000 tickets. The next concert on their Great China Tour was held in Guangzhou on December 19, and sold more than 5,000 tickets – making it the second consecutive sold-out concert on the tour.

File:T-ara at 2015 Summer K-POP Festival.jpg

On July 17, 2015, MBK Entertainment confirmed that the group will join the summer comeback lineup in the first week of August. On August 3, 2015, T-ara's seventh extended plays, So Good with title track "So Crazy" was released. It was composed by Brave Brothers and surpassed 1 million views in 2 days.{{Cite web |date=2015-08-03 |title=티아라, 1년 만에 복귀…'완전 미쳤네' |trans-title=T-ara, Return after 1 Year… 'Totally Crazy' |url=https://www.jbnews.com/news/articleView.html?idxno=675731 |access-date=2024-12-07 |website=중부매일 - 충청권 대표 뉴스 플랫폼 |language=ko}}{{citation needed|date=May 2025}} On August 13, T-ara held a press conference for their web-drama "Sweet Temptation" which features a total of 6 episodes for 6 separate stories. The drama was released in October 2015. On October 15, the website "Insider Monkey" published a list of 16 best selling girl groups of all time where T-ara was placed 10th with a total of 36.18 million sales recorded.{{cite web|url=http://www.insidermonkey.com/blog/16-best-selling-girl-groups-of-all-time-377221/6/|title=T-ara ranked n°10 Best selling girl group of all Time|access-date=August 29, 2016|archive-date=August 30, 2016|archive-url=https://web.archive.org/web/20160830063325/http://www.insidermonkey.com/blog/16-best-selling-girl-groups-of-all-time-377221/6/|url-status=live}} The group then appeared on season 3 of Chinese game show The Brain, making them the second Korean act to appear on this show after Kim Soo-hyun, who visited the show during season 1.{{Cite web |last=sina_mobile |date=2016-01-19 |title=《大脑》T-ARA示爱周杰伦 劲歌热舞喊欧巴 |trans-title="Brain" T-ARA expresses love to Jay Chou, singing and dancing and calling him "Oppa" |url=https://ent.sina.cn/zy/2016-01-19/detail-ifxnqriy3137476.d.html?from=wap |access-date=2024-12-07 |website=ent.sina.cn}}{{Cite web |date=2015-12-04 |title=T-ara孝敏现身仁川机场 前往中国参加《最强大脑》 |trans-title=T-ara's Hyomin appeared at Incheon Airport and headed to China to participate in "The Brain" |url=https://m.ajudaily.com/view/20151204093912176 |access-date=2024-12-07 |website=亚洲日报}}

On June 4, T-ara participated at the 2016 Dream Concert. The group's performance was a remix of "Bo Peep Bo Peep", "Roly Poly" and "So Crazy", which was well received by the public.{{Cite web |last=이투데이 |date=2016-11-28 |title=[BZ포토] 티아라, 드림콘서트 레드카펫 1등이에요~ |trans-title=[BZ Photo] T-ara, 1st place on Dream Concert red carpet~ |url=https://www.etoday.co.kr/news/view/1419029 |access-date=2024-12-07 |website=이투데이 |language=ko}} As of 2016, the Dong-a Ilbo newspaper has published many items on the Korean idol stars who have had influence in the last 20 years based on a poll of 2,000 people in Korea. In the category "Top 14 Favorite Songs", T-ara ranked 14th with the song "Roly-Poly".{{cite web |date=September 1, 2016 |title= |script-title=ko:"반짝반짝 눈이 부셔"… 빅뱅-소녀시대 역대 최고 아이돌 : 뉴스 : 동아닷컴 |trans-title="Twinkle, twinkle, dazzle"... Big Bang-Girls' Generation's best idols of all time : News : Donga.com |url=http://news.donga.com/3/all/20160901/80071885/1 |access-date=May 6, 2017 |website=The Dong-a Ilbo |archive-date=March 29, 2017 |archive-url=https://web.archive.org/web/20170329212731/http://news.donga.com/3/all/20160901/80071885/1 |url-status=live }} On September 9, T-ara performed three songs for the IASGO in Seoul.

On September 11, T-ara flew to Japan for their Tokyo Fan-meeting. The "Premium Live Concert" was held the Tokyo Dome City Hall where T-ara performed seven songs and talked to their fans. T-ara performed twice during the day as the event was divided into two parts, one in the afternoon and the other in the evening. T-ara performed their song "Memories" for the first time live.{{Cite web |date=2016-07-25 |title=「T-ARA PREMIUM LIVE in Japan」開催決定！ {{!}} Queen's Japan |url=http://www.mbk-ent-official.com/T-ARA/info/news/live/1589.html |access-date=2024-12-07 |archive-url=https://web.archive.org/web/20160725144622/http://www.mbk-ent-official.com/T-ARA/info/news/live/1589.html |archive-date=July 25, 2016 }} On September 17, T-ara held their last Concert for their Great China Tour at the Mercedes-Benz Arena in Shanghai with around 12,000 people attending, the highest figure for any South Korean girl group to date.{{cite web |date=2016-09-19 |title= |script-title=ko:"상해, 완전 미쳤네~"…티아라, 中 투어 성료 {{!}} 디스패치 |trans-title="Shanghai, it's crazy~"... T-ara successfully completes Chinese tour {{!}} Dispatch {{!}} News is fact! |url=http://www.dispatch.co.kr/576454 |access-date=2017-05-06 |website=Dispatch.co.kr |archive-date=October 11, 2016 |archive-url=https://archive.today/20161011163923/http://www.dispatch.co.kr/576454 |url-status=live }}

T-ara participated in the Busan One Asia Festival 2016 on the opening performance on October 1 and later on October 4.{{Cite web |title=[포토엔]티아라 '부산원아시아페스티벌 달구는 멋진 무대' {{!}} 방송 : 네이트 연예 |url=https://m.news.nate.com/view/20161001n11309?mid=e02 |url-status=live |archive-url=https://web.archive.org/web/20221002122705/https://m.news.nate.com/view/20161001n11309?mid=e02 |archive-date=October 2, 2022 |access-date=October 2, 2022 |website=모바일 네이트 뉴스 |language=ko}}{{Cite web |date=October 4, 2016 |title=[HEI포토] 티아라, '중국에서 최고 인기랍니다~' |url=https://www.hankyung.com/entertainment/article/201610047299H |url-status=live |archive-url=https://web.archive.org/web/20221002122703/https://www.hankyung.com/entertainment/article/201610047299H |archive-date=October 2, 2022 |access-date=October 2, 2022 |website=The Korea Economic Daily |language=ko}}

Following their appearance, T-ara flew to Jeju to perform at the Jeju Olleh Duty Free Shop Concert on the 9th and performed five songs such as "Sexy Love" or "I don't want you". In October 2016, MBK Entertainment announced that T-ara would be releasing a mini-album produced by Duble Sidekick in November.{{Cite web |date=2016-11-04 |title='컴백 초읽기' 티아라, 효민-보람 티저 공개…신곡 'TIAMO' 이단옆차기와 호흡 |trans-title='Comeback countdown' T-ara, Hyomin-Boram teaser released… New song 'TIAMO' with Lee Dan-Yeop-Kcha |url=https://www.ajunews.com/view/20161104144541601 |access-date=2024-12-07 |website=아주경제 |language=ko}} T-ara's eighth extended play, Remember, with lead single "TIAMO" was released on November 9. The release was followed by three fan-signing events.

File:T-ara at the 2016 Dream Concert.jpg.]]

In February 2017, Hwayoung and her twin sister Hyoyoung appeared on Live Talk Show Taxi and revisited the controversy. While Hwayoung initially denied bullying, she now claimed she was "hated" and "bullied" by the other members. Shortly after, a former staff member alleged the twins had actually "bullied" the other members and released texts showing Hyoyoung threatening Areum with physical harm for not supporting Hwayoung.

Following this, more staff members revealed evidence of Hwayoung being disrespectful to members and stylists, and exaggerating her injury for sympathy. Although Hwayoung initially denied the claims and criticized the staffers, she later admitted the texts were real and subsequently deleted her Instagram account.{{cite web |title= |script-title=ko:[단독] "거의, 봉합 직전이었다"…티아라 사태, 3박4일의 전말 :: 네이버 TV연예 |trans-title=[Exclusive] "It was almost, on the verge of being sutured"... T-ara scandal, the whole story of 4 days and 3 nights :: Naver TV Entertainment |url=http://entertain.naver.com/read?oid=433&aid=0000025379 |access-date=2017-05-06 |website=Entertain.naver.com |language=ko |archive-date=March 11, 2017 |archive-url=https://web.archive.org/web/20170311141432/http://entertain.naver.com/read?oid=433&aid=0000025379 |url-status=live }}{{cite web |title= |script-title=ko:"진흙탕 개싸움?"…류화영, 악플러 향해 대놓고 '디스' |trans-title="Muddy dog fight?"... Ryu Hwa-young, openly 'dissing' towards malicious commenters |url=http://news.nate.com/view/20170216n04955?mid=n1008 |access-date=May 6, 2017 |publisher=Nate |archive-date=July 30, 2021 |archive-url=https://web.archive.org/web/20210730201105/https://news.nate.com/view/20170216n04955?mid=n1008 |url-status=live }}{{cite web |url=http://m.entertain.naver.com/read?aid=0002589794&oid=108&lightVersion=off |title=[단독]티아라 지연, 3년만 솔로음반 잠정 중단..발매도 연기, 왜|trans-title=[Exclusive] T-ara's Jiyeon temporarily suspends solo album after 3 years... Delayed release, why?|language=ko |website=M.entertain.naver.com |date=2017-02-13 |access-date=2017-05-06 |archive-date=November 7, 2017 |archive-url=https://web.archive.org/web/20171107030758/http://m.entertain.naver.com/read?aid=0002589794&oid=108&lightVersion=off |url-status=live }}

File:170614 T-ARA 15.jpg

On March 6, 2017, MBK Entertainment announced that T-ara would be releasing their final album with the company in May, with Soyeon and Boram terminating their contracts after its release.{{cite web |date=2016-08-29 |title= |script-title=ko:티아라, 5월 초 완전체 컴백 확정…13번째 미니앨범(공식입장) |trans-title=T-ara confirms comeback with full group in early May... 13th mini album (official position) |url=http://m.entertain.naver.com/music/now/read?oid=311&aid=0000708883 |access-date=2017-05-06 |website=M.entertain.naver.com |language=ko |archive-date=July 24, 2023 |archive-url=https://web.archive.org/web/20230724091439/https://n.news.naver.com/entertain/now/article/311/0000708883 |url-status=live }} Qri, Eunjung, Hyomin, and Jiyeon were to stay with the label until December 31, 2017. On May 7, MBK Entertainment revealed the group's plans had changed, and that the final album had been rescheduled to release in June 2017, with members Boram and Soyeon not being able to partake due to the expiry of their contracts.{{cite web |title= |script-title=ko:티아라 "완전체 15일 끝+4인 활동+보람·소연 응원"(공식) |trans-title=T-ara "End of 15 days as a whole + 4-member activity + rewarding and supporting Soyeon" (Official) |url=http://entertain.naver.com/music/now/read?oid=108&aid=0002612370 |url-status=live |archive-url=https://web.archive.org/web/20180729200558/http://entertain.naver.com/music/now/read?oid=108&aid=0002612370 |archive-date=July 29, 2018 |access-date=June 10, 2017 |website=Entertain.naver.com}} On May 8, it was announced that T-ara's last performance as six-members will be in Taiwan concert on May 13.{{cite web |title= |script-title=ko:티아라 측 "대만 콘서트서 완전체로 무대 펼칠 예정"(공식입장) |trans-title=T-ara side "plans to perform as a full group at the concert in Taiwan" (official position) |url=http://news.nate.com/view/20170508n27978?mid=n0107 |access-date=June 10, 2017 |publisher=Nate |archive-date=July 30, 2021 |archive-url=https://web.archive.org/web/20210730201102/https://news.nate.com/view/20170508n27978?mid=n0107 |url-status=live }}{{cite web |title= |script-title=ko:[단독] 티아라 소연·보람, 대만 콘서트서 마지막 인사 "완전체 활동 끝" |trans-title=[Exclusive] T-ara's Soyeon and Boram's last farewell at their concert in Taiwan "End of activities as a full group" |url=http://news.nate.com/view/20170508n26110?mid=n0107 |access-date=June 10, 2017 |publisher=Nate |archive-date=July 30, 2021 |archive-url=https://web.archive.org/web/20210730201103/https://news.nate.com/view/20170508n26110?mid=n0107 |url-status=live }}

The remaining four members continued as a group with releasing their ninth extended play and last promotional album What's My Name? on June 14, 2017. After a five-year period without receiving any awards on music shows, T-ara won first place on The Show on June 20.{{cite news |title= |script-title=ko:'더쇼' 티아라, 오열의 1위…나인뮤지스·FT아일랜드 컴백 (종합) |language=ko |trans-title='The Show' T-ara, 1st place in tears... Nine Muses·FT Island Comeback (Comprehensive) |publisher=Naver |url=http://entertain.naver.com/read?oid=311&aid=0000746468 |access-date=June 22, 2017 |archive-date=August 4, 2017 |archive-url=https://web.archive.org/web/20170804060536/http://entertain.naver.com/read?oid=311&aid=0000746468 |url-status=live }}{{cite web |title= |script-title=ko:[스타캐스트] 티아라 '내이름은' 컴백 쇼케이스 + 즐거운 팬사인회 현장 大 공개 |trans-title=[Starcast] T-ara's 'My Name' Comeback Showcase + Fun Fan Signing Scene Revealed |url=http://entertain.naver.com/read?oid=420&aid=0000012245 |via=Naver |access-date=June 22, 2017 |archive-date=August 4, 2017 |archive-url=https://web.archive.org/web/20170804060821/http://entertain.naver.com/read?oid=420&aid=0000012245 |url-status=live }} On November 4, the group held their first concert in Ho Chi Minh city, Vietnam, which reportedly attracted 10,000 attendees. A portion of the ticket sales would be donated to charity in Vietnam in honor of the 25th anniversary of diplomatic relations between Vietnam and South Korea.{{Cite web |date=2017-11-13 |title=[베트남 리포트] 티아라(T-ARA), 베트남에서 화려한 콘서트를 열다 |url=https://www.liveen.co.kr/news/articleView.html?idxno=197432 |access-date=2024-12-07 |website=라이브엔 |language=ko}}

On January 3, 2018, Hyomin took to her Instagram account to announce that she, Jiyeon, Eunjung, and Qri had decided to not renew their contracts with MBK, thus leaving the company. The company later confirmed that the group had left the company but did not state that the group had disbanded.{{Cite web |date=January 3, 2018 |title= |script-title=ko:[Oh!쎈 초점] "소속사와는 이별, 해체는 NO"...티아라의 2막 시작 |trans-title=[Oh!sen Focus] "No breakup with agency, no disbandment"...Starting T-ara's 2nd act |url=http://osen.mt.co.kr/article/G1110807257 |url-status=live |archive-url=https://web.archive.org/web/20180104132508/http://osen.mt.co.kr/article/G1110807257 |archive-date=January 4, 2018 |access-date=January 5, 2018 |website=Osen |language=ko}} MBK Entertainment later confirmed that they had registered a trademark for T-ara on December 28. The members officially filed documentation outlining grounds for rejection of MBK Entertainment's trademark on January 19.{{cite web |date=January 19, 2018 |title= |script-title=ko:[공식입장] 티아라, 前소속사와 맞선다.."상표출원 거절사유 제출" |trans-title=[Official position] T-ara confronts former agency..."Submission of reason for refusal of trademark application" |url=https://m.entertain.naver.com/now/read?oid=109&aid=0003701057 |access-date=May 13, 2019 |website=entertain.naver.com |language=ko |archive-date=July 24, 2023 |archive-url=https://web.archive.org/web/20230724091453/https://n.news.naver.com/entertain/now/article/109/0003701057 |url-status=live }} On August 8, MBK Entertainment trademarks for T-ara had been denied by the Trademark Act.{{cite web |date=August 8, 2018 |title= |script-title=ko:[단독] '티아라' 상표 출원 거절...팀명 지켰다 |trans-title=[Exclusive] 'T-ara' trademark application rejected... kept the team name |url=https://entertain.naver.com/now/read?oid=076&aid=0003297567 |access-date=May 13, 2019 |website=entertain.naver.com |language=ko |archive-date=July 30, 2021 |archive-url=https://web.archive.org/web/20210730201054/https://entertain.naver.com/now/read?oid=076&aid=0003297567 |url-status=live }}{{cite web |date=August 8, 2018 |title= |script-title=ko:MBK 측 "티아라 상표출원 첫 반려, 자료 보강 후 재신청 예정"(공식) |trans-title=MBK side "First rejection of T-ara trademark application, plan to re-apply after data reinforcement" (official) |url=http://newsen.com/news_view.php?uid=201808081702590710&r=1& |access-date=May 13, 2019 |website=newsen.com |language=ko |archive-date=April 5, 2023 |archive-url=https://web.archive.org/web/20230405000742/https://newsen.com/news_view.php?uid=201808081702590710&r=1& |url-status=live }}

On October 2, 2020, T-ara held a single reunion performance in the televised Chuseok of the SBS online variety program MMTG, performing "Roly-Poly" and "Sexy Love".{{cite web |date=October 3, 2020 |title= |script-title=ko:'문명특급' 티아라→SS501, 숨듣명 콘서트 "더이상 숨어서 듣지 말아요" [종합] |trans-title='Civilization Express' T-ara→SS501, Breathtaking Concert "Don't hide and listen anymore" [Comprehensive] |url=https://entertain.naver.com/now/read?oid=109&aid=0004283299 |url-status=live |archive-url=https://web.archive.org/web/20201028205307/https://entertain.naver.com/now/read?oid=109&aid=0004283299 |archive-date=October 28, 2020 |access-date=October 3, 2020 |website=Osen}} In July 2021, T-ara reunited again with an appearance on JTBC's Knowing Bros.{{Cite web |date=June 29, 2021 |title= |script-title=ko:티아라, '아는형님' 출격…"7월 1일 녹화" |trans-title=T-ara, 'Knowing Bros' sortie... "Recorded on July 1st" |url=https://m.mk.co.kr/star/headline/view/2021/06/627323/ |access-date=July 18, 2021 |archive-date=July 18, 2021 |archive-url=https://web.archive.org/web/20210718234043/https://m.mk.co.kr/star/headline/view/2021/06/627323/ |url-status=live }} On July 29, it was announced through the group's 12th anniversary livestream that they would be making their first comeback in four years before the winter of 2021.{{Cite web |title= |script-title=ko:'12주년' 티아라, 4년만 가요계 컴백 "첫눈 오기 전 신곡" |trans-title='12th anniversary' T-ara, comeback in the music industry after 4 years "new song before the first snowfall" |url=http://www.joynews24.com/view/1391176 |website=Joynews24 |date=July 30, 2021 |access-date=August 14, 2021 |archive-date=August 14, 2021 |archive-url=https://web.archive.org/web/20210814020949/http://www.joynews24.com/view/1391176 |url-status=live }} Released in collaboration with Dingo Music, the group made their long-awaited comeback with the single album Re:T-ara on November 15, 2021.{{Cite web|date=2021-11-08|title=T-ARA to release new single this month after a four-year hiatus|url=https://www.nme.com/news/music/t-ara-comeback-first-time-four-years-new-single-release-date-3089765|access-date=2021-11-08|website=NME|language=en-GB|archive-date=November 23, 2021|archive-url=https://web.archive.org/web/20211123165132/https://www.nme.com/news/music/t-ara-comeback-first-time-four-years-new-single-release-date-3089765|url-status=live}} The album consists of two tracks: "ALL KILL" and "TIKI TAKA".{{cite web |date=November 10, 2021 |title= |script-title=ko:티아라, 컴백 초읽기…티저 이미지 공개 |trans-title=T-ara, countdown to comeback... teaser image released |url=https://n.news.naver.com/entertain/article/144/0000773295 |access-date=November 10, 2021 |website=Sports Khan |archive-date=November 10, 2021 |archive-url=https://web.archive.org/web/20211110051857/https://n.news.naver.com/entertain/article/144/0000773295 |url-status=live }} On November 21, the group held the fan meeting "T-ARA 2021 FAN PARTY" and performed a full concert as 4 for the first time since 2017, including hits like "I Go Crazy Because Of You" and "Bo Peep Bo Peep", as well as performing their two newest songs "TIKI TAKA" and "ALL KILL".{{Cite web |title= |script-title=ko:인터파크 티켓 |trans-title=Interpark Ticket |url=https://mobileticket.interpark.com/goods/21010398 |access-date=2022-04-19 |website=mobileticket.interpark.com |archive-date=April 4, 2023 |archive-url=https://web.archive.org/web/20230404121021/https://mobileticket.interpark.com/goods/21010398 |url-status=live }} On April 22, 2022, T-ara performed and guest-starred as a group again on JTBC's Famous Singers 2.{{Cite web |date=2023-01-26 |title= |script-title=ja:＜WKコラム＞「T-ARA」、グループの所属事務所がないので自分たちで準備⁉ 「有名歌手伝」でヒット曲秘話公開！「Roly-Poly」は11週2位止まり…、1位だったのは？ |trans-title= "T-ARA" prepares by themselves because the group does not have an agency!? "Roly-Poly" stayed at No. 2 for 11 weeks... Who was No. 1? |url=https://www.wowkorea.jp/section/column/read/345098.htm |access-date=2023-01-25 |website=wowKorea（ワウコリア） |archive-date=January 25, 2023 |archive-url=https://web.archive.org/web/20230125222450/https://www.wowkorea.jp/section/column/read/345098.htm |url-status=live }}

On June 6, 2024, in an interview with Chinese cultural technology company "Yoocard", it was revealed that T-ara will be reuniting for activities in Shanghai from July 20 to 29. In collaboration with Yoocard, a pop-up shop opened in Shanghai as well, selling numerous types of merch, as well as debuting the group's first official lightstick.{{citation needed|date=May 2025}} It was also revealed that T-ara will be holding multiple fan-meetings in Hong Kong and Macau in September as a celebration of the group's 15th anniversary.{{Cite web |title=뉴스 : 네이버 TV연예 |url=https://m.entertain.naver.com/article/312/0000666448 |access-date=2024-06-13 |website=m.entertain.naver.com}} T-ara held their first Vietnamese fan meeting in nearly a decade on November 23, 2024.{{Cite web |last=phunuso.baophunuthudo.vn |date=2024-11-22 |title=Nhóm nữ huyền thoại mãi là biểu tượng thanh xuân của fan Kpop |url=https://phunuso.baophunuthudo.vn/nhom-nu-huyen-thoai-mai-la-bieu-tuong-thanh-xuan-cua-fan-kpop-giu-vung-vuong-mien-vuot-song-gio-suot-15-nam-hoat-dong-193241121185447553.htm |access-date=2024-11-24 |website=phunuso.baophunuthudo.vn |language=vi}} Currently, T-ara is set to perform as one of the headliners at the Ye!loo concert in Kuala Lumpur on May 31, 2025 at the Malaysia National Hockey Stadium.{{cite web |title=Ye!loo Concert |url=https://www.ilassotickets.com/eventdetails.aspx?eid=@HASyWvEGC8= |website=www.ilassotickets.com |access-date=8 March 2025}}

Jiae and Jiwon left the group pre-debut in 2009, citing creative differences. Boram, Qri, and Soyeon were added to the group shortly before the release of their debut single, "Lies". Hwayoung joined the group on July 26, 2010, thus making T-ara a seven-member group. In 2012, Areum joined T-ara. 2012 also saw the announcement of Dani, who was supposed to become the ninth member of T-ara.{{cite news |script-title=ko:티아라 9번째 멤버 다니 얼굴 공개 |trans-title=T-ara's ninth member, Dani, reveals her face |url=https://m.entertain.naver.com/article/382/0000046983 |access-date=9 March 2025 |work=m.entertain.naver.com |issue=Naver |language=ko}} However, Dani's debut with the group was cancelled due to T-ara's later bullying controversy,{{cite news |script-title=ko:'프로듀스101' 다니 "티아라 사건에 데뷔 무산, 내 길 아닌가 싶어" |title= |trans-title='Produce 101' Dani “Debut canceled due to T-ara incident, I wonder if it's my path” |url=https://m.entertain.naver.com/article/117/0002716748 |access-date=9 March 2025 |work=m.entertain.naver.com |issue=Naver |language=ko}} only reportedly joining T-ara N4 after Areum's departure in 2013, despite the sub-unit becoming inactive after their debut single. In October 2014, MBK Entertainment decided that Dani would not be part of T-ara N4 and would continue as a trainee instead.

Following the bullying controversy in July 2012, CCM announced that Hwayoung's contract was to be terminated.{{cite web |date=July 30, 2012 |title=Hwa-young to leave T-ara after rumors of bullying |url=http://www.koreaherald.com/view.php?ud=20120730001023 |url-status=live |archive-url=https://web.archive.org/web/20150402104354/http://www.koreaherald.com/view.php?ud=20120730001023 |archive-date=April 2, 2015 |access-date=February 28, 2015 |website=The Korea Herald}} On July 10, 2013, T-ara returned to its original debut lineup after Areum left to pursue a solo career.{{citation needed|date=May 2025}} T-ara then continued as a six-member group until Core Contents Media (now under MBK) announced that Soyeon and Boram were leaving the group.

{{#tag:timeline|

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bar:Eunjung from:10/02/2020 till:end

bar:Eunjung from:start till:07/28/2009 Color:pre-debut

bar:Hyomin from:start till:end

bar:Hyomin from:10/02/2020 till:end

bar:Hyomin from:start till:07/28/2009 Color:pre-debut

bar:Jiyeon from:start till:end

bar:Jiyeon from:10/02/2020 till:end

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bar:Qri from:07/28/2009 till: end

bar:Qri from:10/02/2020 till: end

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bar:Soyeon from:07/28/2009 till:05/15/2017

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bar:Boram from:06/13/2010 till:06/04/2011

bar:Hyomin from:06/04/2011 till:12/31/2011

bar:Soyeon from:01/01/2012 till:07/12/2015

bar:Qri from:07/13/2015 till:end

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{{Main|T-ara N4}}

On April 12, 2013, Core Contents Media announced the launch of the group's first sub-unit, T-ara N4 ({{Lang|ko|티아라 엔포}}), standing for "T-ara Brand New 4", consisting of four members: Jiyeon, Eunjung, Hyomin, and Areum.{{cite web |title= |script-title=ko:티아라 유닛 팀명은 '티아라 엔포'. 효민은 코르셋 의상으로… |trans-title=T-ara's unit team name is 'T-ara N4'. Hyomin wore a corset... |url=http://news.nate.com/view/20130412n10359 |url-status=live |archive-url=https://web.archive.org/web/20141213033905/http://news.nate.com/view/20130412n10359 |archive-date=December 13, 2014 |access-date=April 27, 2013 |work=Sports Chosun |publisher=Nate}} T-ara had previously tried sub-units with the promotions of their sixth Japanese single "Bunny Style!", in which the B-sides were sung by units of two and three members; however, this was their first time doing formal unit activities. The group's debut song, "Jeon Won Diary" ({{Lang|ko|전원일기}}; Jeon-won Ilgi), was inspired by the 1980s drama of the same name.{{cite web |title= |script-title=ko:티아라엔포 '전원일기'에 국악 접목…휘몰아친다 |trans-title=Incorporating Korean traditional music into T-ara N4's 'Everyone's Diary'... It rages on: Nate News |url=http://news.nate.com/view/20130427n03922 |url-status=live |archive-url=https://web.archive.org/web/20160128210900/http://news.nate.com/view/20130427n03922 |archive-date=January 28, 2016 |access-date=April 27, 2013 |work=Star In |publisher=Nate}} Produced by Duble Sidekick, it is a "funky and intense" dance song with elements of hip-hop. with the main motif of "Jeon Won Diary" being about breaking away from the same everyday routine. T-ara N4's extended play, Jeon Won Diary, and the music video for the title track were released on April 29, 2013.

{{Main|QBS (group)}}

A Japanese sub-unit called QBS was announced in May 2013, featuring members Qri, Boram and Soyeon.{{cite web |title= |script-title=ko:티아라, '소연-보람-큐리'로 3인조 유닛 '또 결성' |trans-title=T-ara, 3-member unit 'formed again' with 'Soyeon-Boram-Qri' |url=http://news.nate.com/view/20130422n17870 |url-status=live |archive-url=https://web.archive.org/web/20160128210859/http://news.nate.com/view/20130422n17870 |archive-date=January 28, 2016 |access-date=May 3, 2013 |publisher=Nate}} The group focused on the Japanese market. The sub-unit released their debut single "Kaze no You ni" ({{Lang|ja|風のように}}, Like the Wind) on June 26, 2013.{{cite web |date=May 17, 2013 |title= |script-title=ja:T-ARA内新ユニット「QBS」にキュリ、ボラム、ソヨン |trans-title=T-ara new sub unit, QBS with Qri, Boram and Soyeon. |url=http://natalie.mu/music/news/90833 |url-status=live |archive-url=https://web.archive.org/web/20160303175315/http://natalie.mu/music/news/90833 |archive-date=March 3, 2016 |access-date=May 17, 2013 |work=Natalie |language=ja}} Written and composed by Takanori Fukuta,{{cite web |title= |script-title=ja:風のように（通常盤）｜新星堂ONLINE |url=http://www.shinseido.co.jp/ItemDetail?cmId=726859 |url-status=dead |archive-url=https://web.archive.org/web/20130927044453/http://www.shinseido.co.jp/ItemDetail?cmId=726859 |archive-date=September 27, 2013 |access-date=8 June 2013 |work=SHINSEIDO |publisher=SHINSEIDO Co. Ltd |df=mdy-all}} the song is described as a refreshing pop tune with an evergreen melody that leaves a "lasting impression".{{cite web |title= |script-title=ja:ナタリー – T-ARA内新ユニット「QBS」にキュリ、ボラム、ソヨン |trans-title=Natalie – T-ARA New Sub-Unit QBS with Qri, Boram, Soyeon |url=http://natalie.mu/music/news/90833 |url-status=live |archive-url=https://web.archive.org/web/20160303175315/http://natalie.mu/music/news/90833 |archive-date=March 3, 2016 |access-date=8 June 2013 |work=Natalie |publisher=Natasha, Inc}} To promote the single, QBS held a live show at the Sunshine City Fountain Square in Ikebukuro, Tokyo on June 10, 2013. The group performed "Kaze no Yō ni", along with Boram and Qri's {{nihongo|"Shabontama no Yukue"|シャボン玉のゆくえ}} and Soyeon's "Love Poem" from their "Bunny Style!" single, in front of 2,000 fans.{{cite web |title= |script-title=ja:T-ARA新ユニット・QBSの初ライブに2000人が集結！ {{!}} チケットぴあ[イベント ショー・ファンイベント] |trans-title=T-ARA New Sub-Unit・QBS Debut Live with 2000 People! {{!}} Ticket Pia [Event Show・Fan Event] |url=http://ticket-news.pia.jp/pia/news.do?newsCd=201306110011&afid=700&__from=twitter |url-status=live |archive-url=https://web.archive.org/web/20150415065842/http://ticket-news.pia.jp/pia/news.do?newsCd=201306110011&afid=700&__from=twitter |archive-date=April 15, 2015 |access-date=12 June 2013 |work=Ticket News |publisher=PIA Corporation}}

T-ara's music is marked by hook-heavy dance-pop music that blend upbeat tempos with catchy choruses, which became their trademark during their early years. The group's first album Absolute First Album showcases a diverse musical style that helped define their early identity in the K-pop industry. It combines electronic, synth-pop, and dance music with elements of pop rap, contemporary R&B, and ballads.{{Cite web |date=August 4, 2018 |script-title=ko:추천앨범 리뷰 – 티아라, 리패키지에서 정체성을 찾다. |url=https://music.bugs.co.kr/album/217735 |url-status=live |archive-url=https://web.archive.org/web/20120313163343/http://music.bugs.co.kr/album/217735 |archive-date=March 13, 2012 |access-date=September 13, 2018 |website=Bugs! |publisher=NHN Bugs |language=ko}} Tracks like "Bo Peep Bo Peep" and "TTL (Time to Love)" emphasize energetic beats and catchy hooks, aligning with the electronic and synth-pop trends of late 2000s K-pop. Meanwhile, songs such as "Like the First Time" explore softer, ballad-like melodies, adding depth to the album's overall sound. The album was initially criticized for "lack of identity" but was later praised for its diversity which helped define their early identity in the K-pop industry. The album along with its tracks has been included in severall yearly and all-time lists.{{Cite web |last=Peterson |first=Jacques |date=June 13, 2017 |title=9 of the best T-ara singles |url=https://www.sbs.com.au/popasia/blog/2017/06/13/9-best-t-ara-singles |url-status=live |archive-url=https://web.archive.org/web/20170617133417/http://www.sbs.com.au/popasia/blog/2017/06/13/9-best-t-ara-singles |archive-date=June 17, 2017 |access-date=September 12, 2018 |website=SBS PopAsia |publisher=Special Broadcasting Service |language=en}}{{Cite web |last=Chin |first=Carmen |date=2024-07-29 |title=The 10 best T-ARA songs |url=https://www.nme.com/features/music-features/best-top-t-ara-songs-ranked-3778785 |access-date=2024-08-29 |website=NME |language=en-GB}}{{Cite web |date=2020-01-28 |title=【回憶召喚】Super Junior〈美人啊〉、CNBLUE〈孤獨的人〉十首熱門K-POP帶你回到2010年！ |url=https://www.kkbox.com/hk/tc/column/showbiz-0-5391-1.html |access-date=2023-04-22 |website=KKBox |language=zh-hant-hk}} In 2017, Jacques Peterson of SBS PopAsia "still stands as one of the best, if not the best, Korean girl group album of the past five years".{{Cite news |last=Peterson |first=Jacques |date=September 18, 2014 |title="I Don't Want You": T-ara's Cutie Pretty B-Side |url=http://arcadey.net/2014/09/i-dont-want-you-t-aras-cutie-pretty-b-side/ |url-status=live |archive-url=https://web.archive.org/web/20141126084735/http://arcadey.net/2014/09/i-dont-want-you-t-aras-cutie-pretty-b-side/ |archive-date=November 26, 2014 |access-date=September 13, 2018 |work=Arcadey |language=en}}

Recognized for their diversity, T-ara became known for shifting styles and genres which earned them the title "chameleon of the music industry".{{Cite web |date=2020-07-22 |title= |script-title=ko:티아라의 몰락, 4인조가 되기까지? 왕따는 사회적문제··· 경각심가져야 |trans-title=T-ara's downfall, until they become a 4-member group? Bullying is a social problem that needs to be alerted |url=http://www.ggilbo.com/news/articleView.html?idxno=784889 |url-status=live |archive-url=https://web.archive.org/web/20221031221430/http://www.ggilbo.com/news/articleView.html?idxno=784889 |archive-date=October 31, 2022 |access-date=2022-10-31 |website=Geumgang Daily |language=ko}}{{Cite web |date=2020-08-07 |title= |script-title=ko:"고맙고 그리워" 티아라 효민·큐리·지연·은정, 데뷔 11주년 자축 인사 [종합] |trans-title="Thank you and miss you" T-ara's Hyomin·Qri·Jiyeon·Eunjung, congratulatory greetings for the 11th anniversary of their debut [Comprehensive] |url=https://www.chosun.com/site/data/html_dir/2020/07/29/2020072904204.html |url-status=live |archive-url=https://web.archive.org/web/20221031221423/https://www.chosun.com/site/data/html_dir/2020/07/29/2020072904204.html |archive-date=October 31, 2022 |access-date=2022-10-31 |website=The Chosun Ilbo |language=ko}}{{Cite web |last1=Times |first1=I. D. N. |last2=Chairunisa |first2=Sukmawening |title=10 Grup KPop Generasi 2 Punya Julukan Sendiri,, Siapa Saja? |url=https://www.idntimes.com/korea/kpop/mina-1/julukan-grup-kpop-gen-kedua-c1c2 |url-status=live |archive-url=https://web.archive.org/web/20221031221424/https://www.idntimes.com/korea/kpop/mina-1/julukan-grup-kpop-gen-kedua-c1c2 |archive-date=October 31, 2022 |access-date=2022-10-31 |website=IDN Times |language=id}} In 2019, Glamour UK included So Crazy sailor outfits as one of the greatest fashion moments in K-pop history that helped change the fashion industry forever.{{Cite web |date=2021-07-15 |title=K-Pop has changed the fashion industry forever, so here's 23 of the greatest fashion moments in K-Pop history (from BTS to Blackpink) |url=https://www.glamourmagazine.co.uk/article/k-pops-best-fashion-moments |url-status=live |archive-url=https://web.archive.org/web/20230421193004/https://www.glamourmagazine.co.uk/article/k-pops-best-fashion-moments |archive-date=April 21, 2023 |access-date=2023-04-21 |website=Glamour UK |language=en-GB}}

Since their debut, T-ara has been placed in year-end lists of the top Korean artists and celebrities by numerous publications including Gallup Korea, Forbes Korea, Forbes China,{{Cite web |title=2017年全球偶像中国人气排行榜,王凯人气爆棚,热巴排名26_排行榜123网 |url=https://www.phb123.com/yule/star/16731.html |access-date=2022-08-16 |website=www.phb123.com}} Korean Wave Indonesia,{{Cite web |date=2013-12-16 |title=티아라-슈퍼주니어, 인도네시아 韓그룹 1위 '기염' |trans-title=T-ara-Super Junior, Indonesian Korean Group No. 1 'Fresh' |url=https://cm.asiae.co.kr/article/2013121619140650640 |access-date=2024-12-06 |website=www.asiae.co.kr |language=ko}} Soribada {{Cite web |title=少女時代、２０１０年最高のアーティストに |trans-title=Girls' Generation named best artist of 2010 |url=https://japanese.joins.com/JArticle/135947?sectcode=700&servcode=700 |access-date=2024-12-16 |website=中央日報 - 韓国の最新ニュースを日本語でサービスします |language=ja}} etc. In 2014, Hankyung named T-ara among the groups spreading the Korean wave in China {{Cite web |date=2014-09-26 |title=티아라, 50억 받고 중국 간다…'한류문화 전파' |trans-title=T-ara, Receives 5 Billion Won and Goes to China… `Spreading Korean Wave Culture` |url=https://www.hankyung.com/article/2014092646855 |access-date=2024-12-07 |website=한국경제 |language=ko}} while Elle Men China named the group one of the contributors to K-pop's success and the Hallyu wave culture export abroad in 2020.{{Cite web |date=2020-09-18 |title=流水线女团二十年，这才是韩国最成功的文化输出 |trans-title=20 years of forming girl group, Korea's most successful cultural export |url=http://www.ellemen.com/spotlight/a34065962/nvtuan-0918/ |url-status=live |archive-url=https://web.archive.org/web/20230418220646/https://www.ellemen.com/spotlight/a34065962/nvtuan-0918/ |archive-date=April 18, 2023 |access-date=2023-04-14 |website=Elle Men |language=zh-cn}} In 2021, Aedan Juvat of Pop Wrapped referred to the group as "The second-generation K-pop legends" and credited them for offering "some of the catchiest dance tracks in a decade".{{Cite web |date=December 27, 2021 |title=21 Best K-pop Songs of 2021 |url=https://popwrapped.com/21-best-k-pop-songs-of-2021/ |url-status=live |archive-url=https://web.archive.org/web/20211227193951/http://popwrapped.com/21-best-k-pop-songs-of-2021/ |archive-date=December 27, 2021 |access-date=November 20, 2022 |website=PopWrapped.com}} In a series of surveys conducted by the Korean Foundation for International Cultural Exchange (KOFICE) and the Ministry of Culture, Sports and Tourism of the most popular K-pop artists globally, T-ara topped the list in Malaysia and was voted fifth in France in 2016, appeared in the top six in Vietnam in 2022 and 2024.{{Cite news |date=2024-05-22 |title=Most popular K-pop artists in India, US, UK, Japan, Thailand, and more revealed in Global Hallyu survey 2024 |url=https://www.hindustantimes.com/entertainment/music/most-popular-k-pop-artists-in-india-us-uk-japan-thailand-and-more-revealed-in-global-hallyu-survey-2024-101716345813082.html |archive-url=https://web.archive.org/web/20240627062050/https://www.hindustantimes.com/entertainment/music/most-popular-k-pop-artists-in-india-us-uk-japan-thailand-and-more-revealed-in-global-hallyu-survey-2024-101716345813082.html |archive-date=June 27, 2024 |access-date=2024-12-15 |work=Hindustan Times |language=en-us |url-status=live }} In 2024, T-ara was ranked at number 14 in a Gallup Korea survey of the most popular girl groups of the 21st century, tied with (G)I-dle.{{Cite web |last= |date=2024-09-06 |title=소녀시대·블랙핑크, '21세기 가장 사랑받은 걸그룹' 1위 [창간 20주년 설문] |url=https://www.starnewskorea.com/stview.php?no=2024090513133870053 |access-date=2024-12-16 |website=스타뉴스 |language=ko}}{{Cite web |title=한국국제문화교류진흥원 조사연구 아카이브 |trans-title=2024 Overseas Korean Wave Survey Results Report (13th) |url=https://hallyuresearch.kofice.or.kr/bbs/board.php?bo_table=report&wr_id=55&sca=%ED%95%B4%EC%99%B8%ED%95%9C%EB%A5%98%EC%8B%A4%ED%83%9C%EC%A1%B0%EC%82%AC |access-date=2024-12-16 |website=한국국제문화교류진흥원 조사연구 아카이브 |language=ko}}

In 2010, In an event organized by former South Korean president Lee Myung-ba, T-ara was invited to perform at the Blue House for "2010 Republic of Korea Children's Day" with over 5,000 children reporters from the Blue House children's newspaper Blue Nuri and the national children's internet newspaper Edunet Children's Newspaper attending the event.{{Cite web |last=머니투데이 |date=2010-10-14 |title=청와대도 '아이돌 붐'…샤이니·티아라 총출동 |trans-title=Blue House also has an 'idol boom'... SHINee and T-ara all out |url=https://news.mt.co.kr/mtview.php?no=2010101408050612200 |access-date=2024-12-14 |website=머니투데이 |language=ko}}

In 2021, Clara Ribeiro from Pop Matters credited T-ara for bringing disco to K-pop with their second mini album John Travolta Wannabe describing it as "a force to be reckoned with" and "Roly Poly" as "one of the catchiest K-pop songs ever made".{{Cite web |last=Ribeiro |first=Clara |date=2021-06-30 |title=T-ara Brought Disco to K-pop on 2011's John Travolta Wannabe |url=https://www.popmatters.com/tara-john-travolta-wannabe-atr10 |url-status=live |archive-url=https://web.archive.org/web/20221030202800/https://www.popmatters.com/tara-john-travolta-wannabe-atr10 |archive-date=October 30, 2022 |access-date=2022-11-20 |website=PopMatters |language=en-US}} In 2016, "Roly-Poly" was ranked number 14 among the best female songs chosen by the public in a Dong-a Ilbo survey of 2,000 people. In 2019, Glamour UK included So Crazy sailor outfits as one of the greatest fashion moments in K-pop history that helped change the fashion industry forever.

T-ara appeared in the top five of the most searched female artists on Google Korea from 2010 to 2012.{{Cite web |last=TinNhac.com |date=2022-01-18 |title=Những nữ nghệ sĩ Kpop nổi tiếng nhất tại Hàn Quốc trong 10 năm qua theo Youtube Korea: SNSD và TWICE nhiều năm thống trị, BLACKPINK chưa một lần đứng đầu |url=https://tinnhac.com/nhung-nu-nghe-si-kpop-noi-tieng-nhat-tai-han-quoc-trong-10-nam-qua-theo-youtube-korea-snsd-va-twice-nhieu-nam-thong-tri-blackpink-chua-mot-lan-dung-dau-149670.html |access-date=2022-12-05 |website=TinNhac.com |language=vi |archive-date=December 5, 2022 |archive-url=https://web.archive.org/web/20221205191336/https://tinnhac.com/nhung-nu-nghe-si-kpop-noi-tieng-nhat-tai-han-quoc-trong-10-nam-qua-theo-youtube-korea-snsd-va-twice-nhieu-nam-thong-tri-blackpink-chua-mot-lan-dung-dau-149670.html |url-status=live }}{{Cite web |date=2023-02-27 |title=韩国"性感风"女团消亡史 |trans-title=History of the demise of South Korea's "sexy" girl group |url=http://www.ellemen.com/person/a43089108/hanguonvtuan-230227/ |access-date=2023-04-14 |website=Elle Men |language=zh-cn |archive-date=April 19, 2023 |archive-url=https://web.archive.org/web/20230419003016/https://www.ellemen.com/person/a43089108/hanguonvtuan-230227/ |url-status=live }} In 2011, T-ara signed onto management agency J-Rock for $4.7 million—reportedly the highest figure of any Korean girl group expanding into the territory at the time. Reportedly, the group made over US$18.5 million in revenue in 2013 alone, ranking second among girl group, behind Girls' Generation and 6th overall among South Korean artists. In 2014, T-ara became the first South Korean girl group to sign with a Chinese management company. The group signed a 5 billion KRW (~US$4.8 million) contract with Longzhen Culture Development. Over 100 media outlets have applied to cover the press conference .The company estimated that the group would bring over 16 billion KRW (~US$15.4 million) in yearly profit. In 2013, T-ara's appearance on Shanghai TV set an all-time record of 200 million views in ratings.{{Cite news |date=November 18, 2013 |title=티아라 출연 中 상해TV 2억명 봤다 '시청률 폭발' |trans-title=T-ara's appearance on Shanghai TV 200 million viewers watched 'Explosion in viewership ratings' |url=https://www.newsen.com/news_view.php?uid=201311181240559610 |access-date=December 16, 2024 |pages=Newsen}}

Since 2009, T-ara has appeared in various fashion magazines including Vogue, Cosmopolitan, Ceci, Marie Claire and Elle.{{Citation needed|date=August 2023}} They also appeared on other magazines including The Celebrity, Big Issue, Galaxy Macau (Macau), I Like (Thailand), Kazz (Thailand) and Beijing Youth (China) along with features on Music magazines; including Kwave (South Korea, China, Japan),{{Cite web |title=떠오르는 한류의 별 티아라, 청순함과 섹시함 동시 발산! |trans-title=Rising Hallyu stars T-ara, radiating innocence and sexiness at the same time! |url=http://dailytoday.co.kr/news/view.php?idx=251 |access-date=2024-12-06 |website=Daily Today (데일리투데이) |language=ko}} Music Bank, Billboard and Tower Records (Japan) and gaming magazines, including Board Game (China).{{Citation needed|date=August 2023}} T-ara has also appeared as in several tourist-guides and brochures promoting the Korean culture for foreign tourists including on Mapple Magazine (Japan).{{Cite web |title=まっぷるソウル 2012 |url=https://www.ark-gr.co.jp/works/l0_2g_0016_mapplesoul2012/ |access-date=2024-12-07 |website=日本最大級の編集プロダクション {{!}} アーク・コミュニケーションズ |language=ja}}

Several newer idols have named T-ara as their role models and influence over the years, including Rocket Punch, NINE.i,{{Cite web |date=2022-03-30 |title= |script-title=ko:"팀워크 위해 2년째 가족회의"…나인아이, 10인조 '구성 핫플' 노린다 [종합] |trans-title="Family meeting for the second year for teamwork"... NINE.i, aiming for a 10-member 'composition hot spot' [Comprehensive] |url=https://www.hankyung.com/entertainment/article/202203301969H |url-status=live |archive-url=https://web.archive.org/web/20221031220752/https://www.hankyung.com/entertainment/article/202203301969H |archive-date=October 31, 2022 |access-date=2022-10-31 |website=The Korea Economic Daily |language=ko}} ICE,{{Cite web |title=아이스 "모티브는 티아라, 개성 대중성 둘 다 잡고 싶어요"[인터뷰 스포일러] |trans-title=Ice "Motif: T-ara, I Want to Capture Both Individuality and Popularity" [Interview Spoiler] |url=http://www.stoo.com/article.php?aid=44168711491 |access-date=2024-12-07 |website=stoo |language=ko}} G-reyish,{{Cite news |title=Khán giả thích thú nghe Hari Won diễn hit T-ara tại tiệc đón tiếp Tổng thống Hàn |trans-title=Audience enjoyed listening to Hari Won perform T-ara's hit at the reception for the Korean President. |url=https://www.saostar.vn/am-nhac/khan-gia-thich-thu-nghe-hari-won-dien-hit-t-ara-tai-tiec-don-tiep-tong-thong-han-2441288.html |access-date=August 6, 2024 |work=Sao Star}} etc. In July 2021, girl group Rocket Punch's members Yeonhee and Yunkyung cited T-ara as their role-models who inspired them to become idols after watching their performances in their hometown Gwangju.{{Cite web |last=Park |first=Chan |title=[bnt화보] 로켓펀치 윤경 "티아라 무대 보고 신선한 충격 받아, 무대소품&의상 준비하는 열정 본받고파" |url=https://www.bntnews.co.kr/article/view/bnt202107260011 |access-date=2023-03-29 |website=bntnews |language=ko |archive-date=March 29, 2023 |archive-url=https://web.archive.org/web/20230329232041/https://www.bntnews.co.kr/article/view/bnt202107260011 |url-status=live }} Multiple girl groups have also covered T-ara's songs, such as Itzy, Oh My Girl, Mamamoo, and CLASS:y.

A few days before debut, T-ara's agency CCM revealed that the group received a total of seven CF offers including from beverages, clothing, telecommunication, and teen cosmetics brands.{{Cite web |title= |script-title=ko:티아라, 데뷔 전부터 광고계의 블루칩 되나? |trans-title=T-ara, are you a blue chip in the advertising world even before your debut? |url=https://news.nate.com/view/20090713n08281?mid=e01 |access-date=2022-06-28 |publisher=Nate |language=ko |archive-date=June 28, 2022 |archive-url=https://web.archive.org/web/20220628181046/https://news.nate.com/view/20090713n08281?mid=e01 |url-status=live }} In October 2009, the group signed their first commercial-film contract with Nonghyup. "Apple Song" was recorded especially for the CF and later included as "Apple is A" on the group's debut studio album Absolute First Album.{{cite news |title= |script-title=ko:티아라, 첫 CF 3억대 가까운 개런티 보장 받아 |language=ko |trans-title=T-ara receives a guarantee of close to 300 million units for its first CF |website=Bntnews.hankyung.com |url=http://bntnews.hankyung.com/apps/news?popup=0&nid=01ff84&c1=04&c2=&c3=&designer=&season=&nkey=200910151521503&mode=sub_view |url-status=live |access-date=2016-07-20 |archive-url=https://web.archive.org/web/20160303191438/http://bntnews.hankyung.com/apps/news?popup=0&nid=01ff84&c1=04&c2=&c3=&designer=&season=&nkey=200910151521503&mode=sub_view |archive-date=March 3, 2016}} The group also filmed a CF for Nene Chicken in 2009 with comedian and public figure Yoo Jae-suk. T-ara received approximately {{SK won|300 million}} for each contract—reportedly the highest figure given to a rookie at the time.{{Cite web |title=T-ara十亿天价代言 少女时代惨沦老二 – Click Entertainment |trans-title=T-ara's billion-Won endorsement is higher than Girls' Generation |url=https://click-ent.com/t-ara%e5%8d%81%e4%ba%bf%e5%a4%a9%e4%bb%b7%e4%bb%a3%e8%a8%80-%e5%b0%91%e5%a5%b3%e6%97%b6%e4%bb%a3%e6%83%a8%e6%b2%a6%e8%80%81%e4%ba%8c/ |url-status=live |archive-url=https://web.archive.org/web/20230419135528/https://click-ent.com/t-ara%E5%8D%81%E4%BA%BF%E5%A4%A9%E4%BB%B7%E4%BB%A3%E8%A8%80-%E5%B0%91%E5%A5%B3%E6%97%B6%E4%BB%A3%E6%83%A8%E6%B2%A6%E8%80%81%E4%BA%8C/ |archive-date=April 19, 2023 |access-date=2023-04-19 |language=en-US}}

On January 15, 2010, it was reported that the group received about {{SK won|900 million}} from 3 CFs alone, "the best treatment in the industry" according to official reports.{{Cite web |title= |script-title=ko:티아라, 3개 광고로 9억 수입… 업계 최고 대우 |trans-title=T-ara earned 900 million won through 3 advertisements... The industry's best treatment |url=https://news.nate.com/view/20100115n13981?mid=e01 |access-date=2022-06-28 |website=모바일 네이트 뉴스 |language=ko |archive-date=June 28, 2022 |archive-url=https://web.archive.org/web/20220628221240/https://news.nate.com/view/20100115n13981?mid=e01 |url-status=live }} In 2010, the group also modeled for Mentholatum,{{cite news |title= |script-title=ko:티아라, 한국멘소래담 화장품 모델 발탁 – 아시아경제 |language=ko |trans-title=T-ara selected as a Korean Mentholatum Cosmetics model – Asia Economy |website=Asiae.co.kr |date=April 19, 2010 |url=http://www.asiae.co.kr/news/view.htm?idxno=2010041908512681743 |url-status=live |access-date=2016-07-20 |archive-url=https://web.archive.org/web/20131203015842/http://www.asiae.co.kr/news/view.htm?idxno=2010041908512681743 |archive-date=December 3, 2013}} Tedin Water Parks,{{cite news |date=2010-05-19 |title= |script-title=ko:거짓말 하지 않는 뉴스라이브 |language=ko |publisher=NewsLive.co.kr |url=http://www.newslive.co.kr/news/article.html?no=39218 |access-date=29 July 2016 |archive-url=https://web.archive.org/web/20120425084836/http://www.newslive.co.kr/news/article.html?no=39218 |archive-date=April 25, 2012}} and Olympus cameras.{{cite news |date=August 26, 2010 |title= |script-title=ko:올림푸스, 티아라와 함께 한 이색출사 진행 – 머니투데이 뉴스 |language=ko |trans-title=Olympus, a unique photoshoot with T-ara – Money Today News |website=Mt.co.kr |url=http://www.mt.co.kr/view/mtview.php?type=1&no=2010082610205684584&outlink=1 |url-status=live |access-date=2016-07-20 |archive-url=https://web.archive.org/web/20131203015203/http://www.mt.co.kr/view/mtview.php?type=1&no=2010082610205684584&outlink=1 |archive-date=December 3, 2013}} T-ara was chosen to model for Tedin Waterpark again in 2011.{{cite news |title= |script-title=ko:테딘워터파크, 티아라의 두 번째 워터스캔들! |language=ko |trans-title=Tedin Water Park, T-ara's second water scandal! |website=Nate News |url=http://news.nate.com/view/20110715n08500 |url-status=live |access-date=2016-07-20 |archive-url=https://web.archive.org/web/20160128210859/http://news.nate.com/view/20110715n08500 |archive-date=January 28, 2016}}

In 2011, T-ara modeled in commercial films for sports brand SPRIS, electronics brand iRiver, software company Windysoft, optical store Look Optical, instant noodles brand Shin Ramyun, Crown Mountain and many others.{{cite news |title= |script-title=ko:티아라, 3개월간 30억! CF 대박 홈런 |language=ko |trans-title=T-ara, 3 billion in 3 months! CF hit home run: Nate News |website=Nate News |url=http://news.nate.com/view/20110418n11004 |url-status=live |access-date=2016-07-20 |archive-url=https://web.archive.org/web/20160128210900/http://news.nate.com/view/20110418n11004 |archive-date=January 28, 2016}} The same year, T-ara was chosen as the new advertisement models for cosmetics brand Tony Moly. The group was expected to model for the brand in not only South Korea, but China, Japan, and other Asian countries as well.{{cite news |date=2011-06-02 |title= |script-title=ko:토니모리, 걸 그룹 티아라 전속 모델 발탁 |language=ko |trans-title=T-ara Cafe opened in Gangnam "chain plans established nationwide by Branch 500" |website=Nate News |url=http://news.nate.com/view/20110707n09882 |url-status=live |access-date=2016-07-20 |archive-url=https://web.archive.org/web/20160128210859/http://news.nate.com/view/20110707n09882 |archive-date=January 28, 2016}}

T-ara is also the first idol group to sign a contract with online shopping mall Hi-Mart.{{cite news |title= |script-title=ko:티아라, 수억원대 주류광고 모델로 발탁 |language=ko |trans-title=T-ara selected as a liquor advertisement model worth hundreds of millions of won |website=Nate News |url=http://news.nate.com/view/20110914n07991 |url-status=live |access-date=2016-07-20 |archive-url=https://web.archive.org/web/20160128210859/http://news.nate.com/view/20110914n07991 |archive-date=January 28, 2016}} The group reportedly earned as much as {{SK won|1 billion}} endorsing Korean fried chicken products in 2011, making it the highest paid girl group in commercial films at the time.

Internationally, T-ara was chosen in 2010 to film a CF for Gusto; one of the largest restaurant chains in Japan with over 1,000 stores nationwide for about {{SK won|1 billion}}. About 140 Japanese media officials, including TBS TV, attended the contract signing press conference.{{Cite web |date=2010-03-18 |title= |script-title=ko:그룹 TTL 日 대기업 광고 모델로 캐스팅 |trans-title=Casting as a model for a group TTL Japanese conglomerate advertisement |url=https://news.nate.com/view/20100318n05393 |url-status=live |archive-url=https://web.archive.org/web/20220628223502/https://news.nate.com/view/20100318n05393 |archive-date=June 28, 2022 |access-date=2022-06-28 |website=Yonhap News Agency |publisher=Nate |language=ko}}{{Cite web |date=2010-03-18 |title= |script-title=ko:티아라, 일본 진출 첫 발..."한국음식 전도사 됐어요" {{!}} 방송 : 네이트 연예 |trans-title=T-ara's first step into Japan..."I've become a Korean food evangelist" |url=https://news.nate.com/view/20100318n08113?mid=e02 |url-status=live |archive-url=https://web.archive.org/web/20220628223500/https://news.nate.com/view/20100318n08113?mid=e02 |archive-date=June 28, 2022 |access-date=2022-06-28 |website=Sports Chosun |publisher=Nate |language=ko}} In early 2015, T-ara reportedly signed a US$1 million contract with Celucasn, a Chinese popular clothing brand with images and a short promotional video also having already been released.{{cite news |url=http://www.theaureview.com/asia/news/t-ara-sign-us-1-million-contract-with-chinese-clothing-brand-celucasn |title=T-ara Sign $US1 Million Contract with Chinese Clothing Brand Celucasn |publisher=theaureview.com |date=March 23, 2015 |access-date=May 11, 2015 |archive-date=October 30, 2015 |archive-url=https://web.archive.org/web/20151030162208/http://www.theaureview.com/asia/news/t-ara-sign-us-1-million-contract-with-chinese-clothing-brand-celucasn |url-status=dead }} In November, T-ara became spokesperson for Chinese server of a multiplayer game World of Warships and released the Chinese version of "Cry Cry" as the official theme song. The group also became the face of the mobile game Dream of the Three Kingdoms. In 2016, the group became brand ambassadors in Vietnam for Pantech Korea as the company was launching new phone models.

In October 2009, T-ara became the ambassador for the "2009 Apple Day Event" in which they performed their commercial song "Apple Is A" held at Cheonggye Plaza in Seoul.{{Cite web |title= |script-title=ko:[동영상] 사과홍보 대사 티아라의 '애플송' |trans-title=[Video] 'Apple Song' by T-ara, PR Ambassador for Apple |url=https://news.nate.com/view/20091026n17304 |access-date=2022-12-24 |website=모바일 네이트 뉴스 |language=ko |archive-date=December 24, 2022 |archive-url=https://web.archive.org/web/20221224141630/https://news.nate.com/view/20091026n17304 |url-status=live }} By December 2009, T-ara were the official ambassador for both "Busan Science Museum" and the Japanese anime Evangelion: Breaking for which SS501 were previously models.{{Cite web |title= |script-title=ko:걸그룹 티아라 국립부산과학관 홍보대사에 |trans-title=Public relations ambassador for girl group T-ara, Busan National Science Museum |url=https://n.news.naver.com/mnews/article/001/0002960623?sid=001 |access-date=2022-12-05 |website=Naver News |language=ko |archive-date=December 5, 2022 |archive-url=https://web.archive.org/web/20221205220216/https://n.news.naver.com/mnews/article/001/0002960623?sid=001 |url-status=live }} In June 2011, T-ara was appointed as public relations ambassadors for "National Sharing Movement" by the Korean Ministry of Health and Welfare. The two groups attended the appointment ceremony on June 14 held at Seoul Plaza in Jung-gu, Seoul.{{Cite web |title= |script-title=ko:[포토] ‘나눔 홀씨 모아’ 홍보대사 티아라와 포미닛 |trans-title=[Photo] T-ara and 4minute, public relations ambassadors for ‘Sharing Spores Gather’ |url=https://news.nate.com/view/20110614n20549?mid=e01 |access-date=2022-12-24 |website=모바일 네이트 뉴스 |language=ko |archive-date=December 24, 2022 |archive-url=https://web.archive.org/web/20221224143844/https://news.nate.com/view/20110614n20549?mid=e01 |url-status=live }}

In August 2011, T-ara were appointed as honorary public relations ambassadors for "2011 Gyeonggi Functional Game Festival". Qri and Boram represented the group by attending the appointment ceremony on August 31 where they received a plaque of appreciation from Gyeonggi Province governor Choi Chan-heung. Over 150 companies participated in exhibitions and export consultations for the event's third edition.{{Cite web |title= |script-title=ko:경기기능성게임페스티벌 홍보대사 '티아라' 위촉 |trans-title=Gyeonggi Functional Game Festival Public Relations Ambassador 'T-ara' appointed |url=https://news.nate.com/view/20110831n31465?mid=m03 |access-date=2022-12-24 |website=모바일 네이트 뉴스 |language=ko |archive-date=December 24, 2022 |archive-url=https://web.archive.org/web/20221224135429/https://news.nate.com/view/20110831n31465?mid=m03 |url-status=live }} In November 2015, T-ara was appointed ambassadors in respect of the establishment of business partnership between Hankyung Media Group and Sina Weibo.{{cite web |date=November 25, 2015 |title= |script-title=ko:[사진]티아라,'한류 저희가 책임질게요' |trans-title=[Photo] T-ara, 'We will take responsibility for the Korean Wave' |url=http://osen.mt.co.kr/article/G1110301551 |url-status=live |archive-url=https://web.archive.org/web/20170914124944/http://osen.mt.co.kr/article/G1110301551 |archive-date=September 14, 2017 |access-date=September 14, 2017}} The group attended the "2015 Hallyu Center Awards" and received the Hallyu Envoy Award.

T-ara launched their own café franchise called Cafe Page One that will expand into a chain of 500 nationwide stores. The name of their café was influenced from the cafe that member Eunjung ran in her drama Coffee House. Cafe Page One was opened on July 1, 2011, where the members were present to greet the customers.{{cite news |title= |script-title=ko:티아라 강남에 카페 오픈 “전국 500호점까지 체인 설립 계획” |language=ko |trans-title=T-ara opens a cafe in Gangnam “Planning to establish a chain up to 500 nationwide” |publisher=Nate |url=http://news.nate.com/view/20110602n12626 |access-date=29 July 2016 |archive-date=July 24, 2023 |archive-url=https://web.archive.org/web/20230724091433/https://news.nate.com/view/20110602n12626 |url-status=live }} An alternate version of the song featuring vocals from original singer SG Wannabe, Ock Joo Hyun and T-ara's So-yeon was released along with a music video of T-ara on the cafe's opening day. A special limited photobook was released celebrating the opening, and it was only given to a limited number of fans who attended the opening.

In 2010, T-ara launched their own online shopping mall named "T-ara Dotcom" (T-ara.com). To test their entrepreneurial skills, the group held a bazaar in Gangnam, Seoul where they sold personal items including stage costumes. The event attracted Over 600 people in a few minutes. The group managed to raise US$2,300.{{Cite web |date=2010-01-26 |title=티아라 쇼핑몰창업 바자회 '230만원 수익' |url=https://www.mk.co.kr/news/culture/4678338 |access-date=2024-08-02 |website=매일경제 |language=ko}} The project was a huge success exceeding {{SK won}}600 million Won (~US$590,000) in monthly revenue. It recorded an average 500,000 daily visitors and more than 20 million won in daily sales as of June 2010 becoming the third most successful shopping malls run by a celebrity in a short period. T-ara acted as models for the mall since its opening. The store was also given its own TV show aired in February 2010. In June 2010, Core Contents Media revealed that all proceeds from all of T-ara's World Cup-related products will be donated in support of catering establishments in undeveloped areas of Africa.{{Cite web |date=2010-06-05 |title=티아라, 온라인 쇼핑몰 월 매출 6억 돌파 '대박' |url=https://www.asiae.co.kr/article/2010060510245792296 |access-date=2023-02-09 |website=아시아경제 |language=ko |archive-date=March 3, 2016 |archive-url=https://web.archive.org/web/20160303194536/http://www.asiae.co.kr/news/view.htm?idxno=2010060510245792296 |url-status=live }}

Since their debut, T-ara has release several mobile apps from games to info-apps. In April 2012, T-ara released "T-ara Shake", a mobile game featuring T-ara's songs. It was a commercial success topping App store's top grossing apps chart for days. In September 2012, T-ara released "T-ara 3D" to promote their comeback with "Sexy Love". According to Core Contents Media "T-ara 3D" was created after a two-month production period in collaboration with app developer Sunshinez. It featured member profiles, 3D images, photos, videos, news & notices, and schedules. The app was on sale on Google's Google Play Android Market and was later released on Apple App Store.{{Cite web |last=A splendid comeback in T-ara mobile? T-ara official app released |title=티아라 모바일에서 화려한 복귀? 티아라 공식앱 출시 |url=https://news.nate.com/view/20120918n07329?mid=m05 |access-date=2023-02-09 |website=모바일 네이트 뉴스 |language=ko |archive-date=February 9, 2023 |archive-url=https://web.archive.org/web/20230209173912/https://news.nate.com/view/20120918n07329?mid=m05 |url-status=live }} "Touch Touch T-ara" content app was introduced in early 2013 by CCM. The Japanese version of the app was released in February 2013 while the Korean version launched a month later.{{Cite web |title=「タッチタッチ♥ティアラ-日本語版 ver 1.6.4」 - Androidアプリ {{!}} APPLION |url=https://applion.jp/android/app/com.Sirocco.TouchTARAJ/ |access-date=2023-03-21 |website=APPLION[アプリオン] - 新作・人気アプリ探しサイト |archive-date=March 21, 2023 |archive-url=https://web.archive.org/web/20230321151736/https://applion.jp/android/app/com.Sirocco.TouchTARAJ/ |url-status=live }} In 2014, T-ara released their first info-app "T-ara Holic". T-ara's upcoming schedule, activities, music and products were available on the app. In June 2014, T-ara's Hyo-min's self-designed t-shirts were made available exclusively on "T-ara Holic". All products were sold-out within 24 hours.

On December 22, 2009, T-ara announced that they donated 100 boxes of ramen purchased with their CF appearance fee and 50 packs of toilet paper recently received as a gift from a toilet paper company to JTS, a private international organization for hunger disease literacy.{{Cite web |date=2009-12-22 |title= |script-title=ko:티아라, 구호단체에 라면-화장지 기부 |trans-title=T-ara donates ramen and toilet paper to relief organizations |url=https://www.donga.com/news/article/all/20091222/24975944/2 |access-date=2022-12-24 |website=The Dong-a Ilbo |language=ko |archive-date=December 25, 2022 |archive-url=https://web.archive.org/web/20221225000055/https://www.donga.com/news/article/all/20091222/24975944/2 |url-status=live }} In January 2010, T-ara donated {{SK won|10 million}} (~$10,000) to Haiti victims after the earthquake disaster. T-ara used all their variety program fees for the donation.{{Cite web |title= |script-title=ko:착한 티아라, 아이티 1000만원 기부 |trans-title=Kind T-ara, donated 10 million won to Haiti |url=https://v.daum.net/v/20100119124205538 |access-date=2022-12-05 |website=언론사 뷰 |archive-date=December 5, 2022 |archive-url=https://web.archive.org/web/20221205222842/https://v.daum.net/v/20100119124205538 |url-status=live }} In addition, T-ara held a fundraising event in the Jamsil Gymnasium in Seoul along with other artists like SG Wannabe. The said event was in hopes of gathering a larger amount of money from stars. Producers from several other companies also attended the event. In June, 2010, Core Contents Media revealed that all proceeds from all of T-ara's World Cup-related products sold on their online shopping mall "T-ara Dotcom" will be donated in support of catering establishments in undeveloped areas of Africa.

On March 11, 2012, T-ara announced through their company's representative that they donated all their profits from their latest Japanese single Roly Poly to the victims of the Fukushima nuclear power plant accident.{{Cite web |title= |script-title=ko:티아라, 日 싱글 앨범 수익 전액 기부 |trans-title=T-ara donates all profits from Japanese single album |url=https://news.kbs.co.kr/news/view.do?ncd=2448561 |access-date=2022-12-24 |website=KBS 뉴스 |language=ko |archive-date=December 25, 2022 |archive-url=https://web.archive.org/web/20221225000057/https://news.kbs.co.kr/news/view.do?ncd=2448561 |url-status=live }} In May of the same year, In May 2012, Soyeon represented T-ara and attended public interest agreement ceremony to sign an agreement with TTOMA, a drinks brand for which T-ara was a model for. Subsequently, a portion of proceeds from T-ara's personalized drinks with the brand will be donated to the Fruit of Love Foundation.{{Cite web |last=조선일보 |date=2020-07-30 |title=[사진]티아라 소연, '어디에 사인을 해야하는 거지?' |trans-title=[Photo] T-ara's Soyeon, 'Where should I sign?' |url=https://www.chosun.com/site/data/html_dir/2012/05/23/2012052302321.html |access-date=2024-12-13 |website=조선일보 |language=ko}} In October of the same year, T-ara donated part of their performance fee to a local Korean school in Malayasia.{{Cite web |last=Codrops |date=2012-10-04 |title= |script-title=ko:티아라, 말레이시아 한국인 학교에 출연료 기부 |trans-title=T-ara donated appearance fees to a Korean school in Malaysia |url=https://m.mydaily.co.kr/new/read.php?newsid=201210041128351139 |access-date=2022-12-24 |website=m.mydaily.co.kr |language=en |archive-date=December 24, 2022 |archive-url=https://web.archive.org/web/20221224235813/https://m.mydaily.co.kr/new/read.php?newsid=201210041128351139 |url-status=live }} In July, T-ara donated 0.73 tons of rice received ahead of their first fan meeting in Korea to underprivileged children and other neighbors in need.{{Cite web |title=Yahoo Search - Pencarian Web |script-title=ko:티아라, 팬들이 보낸 쌀화환 0.73톤..결식아동에 기부키로 |trans-title=T-ara, 0.73 tons of rice wreaths sent by fans... to be donated to undernourished children |url=https://id.berita.yahoo.com/%ED%8B%B0%EC%95%84%EB%9D%BC-%ED%8C%AC%EB%93%A4%EC%9D%B4-%EB%B3%B4%EB%82%B8-%EC%8C%80%ED%99%94%ED%99%98-0-73%ED%86%A4-%EA%B2%B0%EC%8B%9D%EC%95%84%EB%8F%99%EC%97%90-%EA%B8%B0%EB%B6%80%ED%82%A4%EB%A1%9C-084238596.html?guccounter=1&guce_referrer=aHR0cHM6Ly93d3cuZ29vZ2xlLmNvbS8&guce_referrer_sig=AQAAAFG_Jn9c2h8nodGfBeK_glghp-suZ5rmywuw3pGxJYIt2rNlkYN-S4olHR-5EqyWJa0FLIAaT4GynxJFYDRrrgAPkyPNxkSsyjrEK3YNeY5sFVCrtD-rpRHAdiPPtDAzdxjT6PMkKMR9G_pR_zH46B9sik2434CHlb7QEfPS4Mdu |access-date=2022-12-24 |website=id.berita.yahoo.com |language=id-ID |archive-date=December 24, 2022 |archive-url=https://web.archive.org/web/20221224235816/https://id.berita.yahoo.com/%ED%8B%B0%EC%95%84%EB%9D%BC-%ED%8C%AC%EB%93%A4%EC%9D%B4-%EB%B3%B4%EB%82%B8-%EC%8C%80%ED%99%94%ED%99%98-0-73%ED%86%A4-%EA%B2%B0%EC%8B%9D%EC%95%84%EB%8F%99%EC%97%90-%EA%B8%B0%EB%B6%80%ED%82%A4%EB%A1%9C-084238596.html?guccounter=1&guce_referrer=aHR0cHM6Ly93d3cuZ29vZ2xlLmNvbS8&guce_referrer_sig=AQAAAFG_Jn9c2h8nodGfBeK_glghp-suZ5rmywuw3pGxJYIt2rNlkYN-S4olHR-5EqyWJa0FLIAaT4GynxJFYDRrrgAPkyPNxkSsyjrEK3YNeY5sFVCrtD-rpRHAdiPPtDAzdxjT6PMkKMR9G_pR_zH46B9sik2434CHlb7QEfPS4Mdu |url-status=live }}

In February 2013, T-ara donated 100 sacks of rice to an orphanage in Bucheon ahead of the Lunar New Year holiday.{{Cite web |title= |script-title=ko:티아라, 설맞아 보육원에 쌀 100포대 기부 |trans-title=T-ara donated 100 sacks of rice to an orphanage in celebration of the Lunar New Year |url=https://www.sedaily.com/NewsView/1HNBTGBOL4/GK0123 |date=2013-02-08 |access-date=2022-12-24 |website=Seoul Daily |language=ko |archive-date=December 25, 2022 |archive-url=https://web.archive.org/web/20221225000055/https://www.sedaily.com/NewsView/1HNBTGBOL4/GK0123 |url-status=live }} On December 14 of the same year, the group held a charity event in Eunjung's mother's cafe, Cafenne. T-ara's old clothing, stage costumes and donations from Davichi, Ha Seokjin, Hwang Jungeum and Son Hojun were to be auctioned off. T-ara raised a total of {{SK won|12.5 million}} (~US$12,000) from the sales and donated about {{SK won|2.5 million}} (~$2,400) directly on the same day. On the 27th, T-ara donated the remaining {{SK won|10 million}} (~$10,000) to the Sharing Campaign "Hope Windmill" organized by the Red Cross by directly visiting the event. T-ara said, "We are able to end the year with a warm heart thanks to the many people who took part in the charity event and we give thanks to those who helped T-ara take the steps necessary for it."{{cite web|script-title=ko:티아라, 12월 24일 불우이웃 돕기 자선바자회 개최|trans-title=T-ara held a charity bazaar to help the less fortunate on December 24|url=http://news.nate.com/view/20131210n16727 |url-status=live |archive-url=https://web.archive.org/web/20160128210859/http://news.nate.com/view/20131210n16727 |archive-date=January 28, 2016 |access-date=August 20, 2014 |publisher=Nate News |language=ko}} In September 2014, T-ara members donated 1,500 kg of rice "Dongducheon Angel" Movement. Hyomin, Qri and Boram personally delivered the donation to "Dongducheon Angel" Headquarters and held an additional fan-sign event to celebrate the Chuseok holiday.{{Cite web |script-title=ko:티아라, 동두천 천사운동본부에 쌀 1500Kg 기부|trans-title=T-ara donates 1,500 kg of rice to Dongducheon Angel Movement Headquarters|url=https://news.nate.com/view/20140905n26141?mid=e02 |date=2014-09-05 |access-date=2022-10-29 |publisher=Topstar News|via=Nate News |language=ko |archive-date=April 4, 2023 |archive-url=https://web.archive.org/web/20230404121022/https://news.nate.com/view/20140905n26141?mid=e02 |url-status=live }}

On July 25-26, T-ara held a concert in Japan where Hwayoung performed only one song due to an alleged leg injury. Afterward, Hyomin tweeted, "There are differences in levels of determination. Let us have more determination," which the other members supported. Hwayoung responded, "Sometimes, even determination alone is not enough... God, you know everything right?". Her sister Hyoyoung added, "My better half is suffering. My heart hurts.". These tweets led to speculation of conflict within the group, sparking a major controversy and backlash against the members.

On July 30, Core Contents Media announced Hwayoung's departure after 1 year and 8 months, citing staff complaints and denying the bullying rumors. Despite both sides stating there was no bullying, public opinion overwhelmingly supported Hwayoung, leading to T-ara temporarily suspending activities.

In February 2017, Hwayoung and her twin sister Hyoyoung appeared on Live Talk Show Taxi and revisited the controversy. While Hwayoung initially denied bullying, she now claimed she was "hated" and "bullied" by the other members. Shortly after, a former staff member alleged the twins had actually "bullied" the other members and released texts showing Hyoyoung threatening Areum with physical harm for not supporting Hwayoung.

Following this, more staff members revealed evidence of Hwayoung being disrespectful to members and stylists, and exaggerating her injury for sympathy. Although Hwayoung initially denied the claims and criticized the staffers, she later admitted the texts were real and subsequently deleted her Instagram account.

In August 2010, Voice of the people newspaper reported that the operator of T-ara's fan cafe embezzled money after collecting it from members. The embezzled amount is reported to have ranged from several million to 10 million won.{{Cite news |title=티아라 팬카페 운영자 1,000만원 횡령 파문 |trans-title=T-ara fan cafe operator embezzles 10 million won |url=https://vop.co.kr/A00000314141.html |access-date=December 14, 2024 |work=Voice of The People}}

On April 13, 2012, T-ara was supposed to hold a concert in the United States with Davichi and Yangpa, titled "Power & Beauty in San Francisco" with around 8,000 tickets already sold.{{Cite web |title=K-POP 콘서트 북가주 최초 상륙 - 미주 한국일보 |trans-title=First K-POP concert to land in Northern California |url=http://www.koreatimes.com/article/20111222/703170 |access-date=2024-05-31 |website=www.koreatimes.com |language=ko}} However, the concert was postponed and later cancelled due to visas not being prepared four days before the event. The event organizer, Namu Entertainment later sued Core Contents Media, blaming the agency for not taking precautions and not preparing visas in time.{{Cite web |title=한류콘서트 무산 티아라 소속사 패소 |trans-title=T-ara agency loses Korean Wave concert |url=https://www.lawtimes.co.kr/news/78306 |access-date=2024-05-31 |website=www.lawtimes.co.kr |language=ko}}{{Cite web |last= |date=2012-01-12 |title=티아라·다비치, 매진된 13일 美공연 4월 연기..왜? |trans-title=T-ara and Davichi postpone their sold-out US concert on the 13th to April...Why? |url=https://www.starnewskorea.com/stview.php?no=2012011210124922836 |access-date=2024-05-31 |website=Star News |language=ko}}

In 2013, the Seoul District prosecutor's office charged a 39 year old male for fraudulently taking advantage of T-ara's image on Smart Phone applications and obtain {{SK won|110 million}}.{{Cite web |last=뉴스 |first=SBS |date=2013-01-30 |title="2PM 초상권 따내줄게, 티아라는 어때?" 억대 사기 |url=https://news.sbs.co.kr/news/endPage.do?news_id=N1001606582 |access-date=2024-12-16 |website=SBS NEWS |language=ko}}

In 2014, MBK Entertainment announced that they had cancelled T-ara's third Japan tour after being scammed by the organizer who had embezzled around 200 million KRW (~$174,000 USD). The scammer was caught 2 years later in 2015.{{Cite web |last=윤 |first=정민 |date=2015-10-08 |title=[사회] "티아라 일본 콘서트 열게 해주겠다" 소속사 대표 속여 2억 가로챈 조폭 검거 |trans-title=Arrested a gangster who stole 200 million won by deceiving the representative of the agency "I will let T-ara hold a concert in Japan" |url=https://www.joongang.co.kr/article/18819698 |url-status=live |archive-url=https://web.archive.org/web/20230413150236/https://www.joongang.co.kr/article/18819698 |archive-date=April 13, 2023 |access-date=2023-04-13 |website=JoongAng Ilbo |language=ko}}{{Cite web |date=2015-10-07 |title="티아라 일본 공연 추진하겠다"…2억 가로챈 '조폭' 2년만에 덜미 |trans-title="We will promote T-ara's Japanese concert"... 'Gangster' who stole 200 million won in 2 years |url=https://news.mt.co.kr/mtview.php?no=2015100719073552141 |access-date=2023-04-13 |website=Money Today |language=ko}}

{{Main|T-ara discography}}

{{See also|JiYeon discography|Hyomin discography|Hahm Eun-jung #Discography}}

• Absolute First Album (2009)
• Jewelry Box (2012)
• Treasure Box (2013)
• Gossip Girls (2014)

{{Main|List of T-ara live performances}}

• Sparkle (2012) Tokyo: Gentosha, 2012. {{ISBN|978-4344021594}}. Shot by Shin Yamagishi.
• T-ara Private Book (2013) Tokyo: Kodansha, 2013. {{ISBN|978-4062182201}}.

{{Main|T-ara videography#Filmography}}

{{Main|List of awards and nominations received by T-ara}}

• T-ara videography
• List of songs recorded by T-ara
• List of best-selling girl groups

{{notelist}}

{{Reflist|30em}}

{{commons category}}

• {{Official website|http://mbk-ent.com/main_tara}} {{in lang|ko}}

{{T-ara}}

{{MBK Entertainment}}

{{Circle Chart Music Awards for Artist of the Year – Digital Music}}

{{Golden Disk Awards for New Artist of the Year}}

{{Melon Music Award for Top 10 Artists}}

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Category:South Korean girl groups

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