Girls’ Generation-TTS (also known as Girls’ Generation-TaeTiSeo and TaeTiSeo) is the first official sub-group of South Korean girl group Girls’ Generation, formed by S. M. Entertainment in 2012. The sub-group is composed of three Girls’ Generation members, Taeyeon, Tiffany, and Seohyun.

Debut with Twinkle

A promotional image showing the three singers of Girls’ Generation-TTS styled in outlandish clothing and makeup, with brightly colored textures around them, was released along with the unit’s announcement in April 2012. Soon afterward, three video teasers of their single “Twinkle“, each featuring a different singer, were released over three days, the total views for all three teasers reaching over 10 million on YouTube within a period of four days.

The single “Twinkle” was released on the iTunes Store worldwide on April 29, together with its music video on the April 30, which attained over 10 million hits on YouTube within its first week. The mini-album Twinkle was released on the iTunes Store on April 30and on CD on May 2. They began promotions on music shows on May 3. Twinkle has also become the highest charting Korean Artist on US iTunes Charts and Billboard Charts, reaching 126 on the Billboard 200. TaeTiSeo, was also the first sub-unit to achieve a triple crown on all Music Shows. The album, Twinkle, has sold over 140,000 copies in South Korea, as well as a further 28,000 copies abroad.The title song has sold 1,988,373 digital downloads in South Korea, as of July 2012.TTS is the first ever sub-unit to win twelve trophies in their promotion period for Twinkle.The group also participated in SMTown Live World Tour III, where they performed “Twinkle”, as well as a special performance of Usher’s “DJ Got Us Fallin’ In Love” with EXO members.

Awards and nominations

Year Award Category Result
2012 Mnet 20’s Choice Awards 20’s Trendy Music Won
Mnet Asian Music Awards Best Female Group Nominated
Best Global Group Nominated
Artist of the Year Nominated
Melon Music Awards Top 10 Artist Winners Nominated
SBS MTV Best of the Best Best Global Nominated
Artist of the Year Nominated
Golden Disk Awards Disk Album Award Nominated
Digital Music Award Nominated
Popularity Award Nominated
Soompi Gayo Awards Top 10 Artists – #9 Won
2013 Seoul Music Awards
Bonsang Award Nominated
Popularity Award Nominated
Gaon Chart K-Pop Awards
Album of the Year Award Won
Song of the Year Award (Digital Award) Won

Music awards

Show Champion

Year Date Song
2012 May 8 Twinkle
May 15
May 22

M! Countdown

Year Date Song
2012 May 10 Twinkle
May 17
May 24

Music Bank

Year Date Song
2012 May 11 Twinkle
May 18
May 25


Year Date Song
2012 May 13 Twinkle
May 20
May 27