Kim Tae-yeon (born March 9, 1989), most often credited as
Taeyeon, is a South Korean
singer. She is a member of South Korean girl group
Girls' Generation, its subgroup
TTS, and
SM the Ballad. She has also recorded singles for various television dramas and movies as well as participated in a number of variety shows. Tae-yeon made her solo debut on October 8, 2015 with her number-one single, "I", from her first
extended play with the same name.