Girls' Generation (Sonyuh Shidae) is a South Korean girl group formed by S.M. Entertainment in 2007. They are also referred to as SoShi (소시) or SNSD, both abbreviated forms of the group's Korean name. The group nine member group consists of Taeyeon, Jessica, Sunny, Tiffany, Hyoyeon, Yuri, Sooyoung, Yoona and Seohyun.