Which performer on the EP "Twinkle" also performed on the Korean stage musical version of "Mamma Mia"?
Girls' Generation-TTS Girls' Generation-TTS (, also known as TTS, TaeTiSeo, or Girls' Generation-TaeTiSeo) is a subgroup of South Korean girl group Girls' Generation, formed by S.M. Entertainment in 2012. It is composed of three Girls' Generation members: Taeyeon, Tiffany, and Seohyun. The group has released three EPs: "Twinkle" (2012), "Holler" (2014), and "Dear Santa" (2015).
Ivy (singer) Park Eun-hye (Hangul: 박은혜; born November 7, 1982), who uses the stage name Ivy (Hangul: 아이비; stylized as IVY), is a South Korean singer, model and actress.