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).
Moon Hee-kyung Moon Hee-kyung (born December 22, 1965) is a South Korean actress. Moon made her acting debut in musical theatre in 1995. She has also played supporting roles in films and television series, notably "Skeletons in the Closet" (also known as "Shim's Family") in 2007.