Amber is the first member of f(x) to venture out solo and she's got some impressive charts to show for her effort.
The rapper/singer's Beautiful: The 1st Mini Album EP debuts at No. 2 on Billboard's World Albums chart and No. 19 on Heatseekers Albums. The latter ranking shows big Stateside support for Amber's solo debut where, typically, only acts with larger international fanbases would have entries (like BIGBANG, Girls' Generation and B.A.P).