Dr. Dre chills with JB

Justin Bieber has become hip-hop's favorite stepchild. The teen pop star has cemented a friendship with fellow Canadian performer Drake, landed collaborations with Ludacris and his label boss Usher, and recently won the praise of the Game. if that wasn't enough love from the hip-hop community, Bieber has now finagled his way into Dr. Dre's studio.

To the surprise of hip-hop fans, the 16-year-old