f(x) is a multi-national K-pop girl group formed by S.M. Entertainment in 2009. The group is composed of four members: Victoria, Amber, Luna and Krystal. They have been recognized as "the most reliably risk-taking act in K-pop" due to their experimental fashion and their eclectic, electropop sound. Each member has also participated in other forms of entertainment, such as acting and television hosting.
Record label: S.M. Entertainment
Years active: 2009–present
Facebook: f(x) Fan Page