M I Y O U N G

Girls' Generation is a South Korean girl group formed by S.M. Entertainment in 2007.The girl group consists of 9 members: Taeyeon, Jessica, Sunny, Tiffany, Hyoyeon, Yuri, Sooyoung, Yoona and Seohyun.
In 2013, Taeyeon and Tiffany have a duet of their own called "Lost In Love" in the group's fourth Korean album I Got a Boy. The two performed the song live on Music Bank,Romantic Fantasy, as well as You Hee-yeol's Sketchbook.During July of the same year, Taeyeon, Tiffany and Sunny attended Korea Day at the Dodgers Stadium in L.A., singing the national anthems of both Korea and US as well as pitching the first ball.

For more detail, visit the wikipedia of Tiffany (South Korean singer)

^{Credited to Wikipedia}