f(x) (에프엑스)
f(x) (Hangul: 에프엑스) is a South Korean girl group formed by S.M. Entertainment in 2009. The group is composed of four members: Victoria, Amber,..
f(x) (Hangul: 에프엑스) is a South Korean girl group formed by S.M. Entertainment in 2009. The group is composed of four members: Victoria, Amber,..