Age: 36
Occupation: Singer/Rapper/Songwriter
It took the world a minute to catch onto the overtly political, London born Sri Lankan. But now you'd be hard pressed to hear music not influenced by her unique melding of dancehall, electronica and hip hop. It may not be for everyone, but we bet your favorite artist loves M.I.A.

DECADE ACHIEVEMENT: Performing alongside Jay-Z, T.I., Kanye West and Lil' Wayne at the 2009 Grammy's while nine months pregnant and (arguably) flipping off the camera at Super Bowl XLVI.