Added:

Alicia Keys & Usher

Chris Brown & Usher & Rick Ross

Lil Jon ft. Usher & Ludacris

Lil' Jon & The East Side Boyz & Usher & Ludacris

P. Diddy, Usher & Loon

Usher

Usher & Alicia Keys

Usher & Juicy J

Usher ft. Beyonce & Lil Wayne

Usher ft. Nicki Minaj

Usher ft. Pitbull

Usher ft. will.i.am

Usher ft. Young Jeezy