Amber, is an American rapper and singer. She is a member of the South Korean girl group f(x). She debuted as a solo artist in February 2015 with the release of her EP, Beautiful.
Amber was cast from S.M. Entertainment's Los Angeles global audition in 2008. After a year and a half of training, she debuted as a member of SM's five member girl group, F(x). She has composed and written lyrics for some of the group's songs such as "Goodbye Summer" which was a track in their second studio album, Pink Tape and "Summer Lover" from their third studio album, Red Light.