Girls' Generation (소녀시대)

is a nine-member South Korean girl group formed by SM Entertainment in 2007. The nine members are: Taeyeon (the leader), Jessica, Sunny, Tiffany, Hyoyeon, Yuri, Sooyoung, Yoona, and Seohyun .

Taeyeon (태연) born March 9, 1989 as Kim Tae-Yeon (김태연)
 

Jessica (제시카) born April 18, 1989 as Jessica Jung (제시카 정), Korean name Jung Soo-Yeon (정수연)

Sunny (써니) born May 15, 1989 as Lee Soon-Kyu (이순규)
 

Tiffany (티파니) born August 1, 1989 as Stephanie Hwang (스테파니 황), Korean name Hwang Mi-Young (황미영)
 

Hyoyeon (효연) born September 22, 1989 as Kim Hyo-Yeon (김효연)
 

Yuri (유리) born December 5, 1989 as Kwon Yu-Ri (권유리)
 

Sooyoung (수영) born February 10, 1990 as Choi Soo-Young (최수영)
 

Yoona (윤아) born May 30, 1990 as Im Yoon-Ah (임윤아)
 

Seohyun (서현) born June 28, 1991 as Seo Joo-Hyun(서주현)