*Taeyeon :
태연
Kim Tae-yeon
김태연
March 9, 1989 (age 24)
*Jessica :
제시카
Jessica Jung, Jung Soo-yeon
제시카 정, 정수연
April 18, 1989 (age 23)
*Sunny :
써니
Lee Soon-kyu
이순규
May 15, 1989 (age 23)
*Tiffany :
티파니
Stephanie Hwang, Hwang Mi-young
스테파니 황, 황미영
August 1, 1989 (age 23)
*Hyoyeon
효연
Kim Hyo-yeon
김효연
September 22, 1989 (age 23)
*Yuri :
유리
Kwon Yu-ri
권유리
December 5, 1989 (age 23)
*Sooyoung
수영
Choi Soo-young
최수영
February 10, 1990 (age 23)
*Yoona :
윤아
Im Yoon-ah
임윤아
May 30, 1990 (age 22)
*Seohyun
서현
Seo Joo-hyun
서주현
June 28, 1991 (age 21)
