From experimental foundations to taking over the charts, will.i.am seriously earned his legacy, both as a solo artist and key member of the Black Eyed Peas. Released in '01, his solo debut, Lost Change, was a triumph, fusing together elements from various genres to create something completely fresh and relevant, a trait that carried into his future work with stars like Usher, Britney Spears, and Cheryl Cole. Renowned for his earworm melodies, robo-raps, and supersonic beats, the eccentric star has forged a reputation as one of the '00s premier dance-pop hitmakers.