Longtime collaborators join forces with new deal.
Plus, pics from Usher, Pharrell, Ashanti and others.
Rap's fascination with rocking lounge wear.
They ran this year in hip hop! See who made the winner's circle here!
Aussie rapper snags six nods; Pharrell, John Legend, Katy Perry land five each.
Keeping you informed on the latest news in music, celeb and pop culture.