Girls' Generation is a South Korean girl group with 8 members.
Girls ' Generation , also known as SNSD , is a South Korean girl group formed by S.M. Entertainment . The group is composed of eight members : Taeyeon , Sunny , Tiffany , Hyoyeon , Yuri , Sooyoung , Yoona , and Seohyun . Kwon So-hyun ( born August 30 , 1994 ) , is a South Korean singer and actress .