Kim Tae-yeon (born March 9, 1989 in Jeonju, North Jeolla Province, South Korea), most often credited only as Taeyeon, is a South Korean singer. She debuted in 2007 as a member of South Korean girl group Girls' Generation under S.M. Entertainment, and has further participated in its subgroup Girls' Generation-TTS as well as S.M Entertainment's ballad group S.M. the Ballad. Aside from group activities, she has also recorded tracks for various television dramas and movies as well as commercial films (CFs).