Girls' Generation has girls.
Choi Soo-young ( born February 10 , 1990 ) , better known by the mononym Sooyoung , is a South Korean singer and actress . Girls' Generation . The group is composed of eight members : Taeyeon , Sunny , Tiffany , Hyoyeon , Yuri , Sooyoung , Yoona , and Seohyun . Jessica Sooyoun Jung ( born April 18 , 1989 ) , known professionally as Jessica , is an American singer , songwriter , actress , model , fashion designer , and businesswoman currently based in South Korea . Kwon Yu-ri ( born December 5 , 1989 ) , better known by the mononym Yuri , is a South Korean singer and actress . Lee Soon-kyu ( born May 15 , 1989 ) , known professionally as Sunny , is an American singer and actress currently based in South Korea .