The Voice Scoop: Pharrell Williams Joins Usher's Battle Rounds as Adviser

Obviously, Usher is taking his coaching duties quite seriously on The Voice. He's bringing in the big guns!

Halloween Costumes 2012: Chris Brown, Rihanna, Drake, Kanye, Lady Gaga, Diddy, Alicia Keys, J.Lo, Usher, Wiz Khalifa & More

Chris Brown pulled out the big guns—literally—for his Halloween costume. Breezy and his boys dressed as Middle Eastern militants, complete with facial hair, turbans, and weapons.