Rapper performs "Walk on Water," "Stan" and "Love the Way You Lie" with Skylar Grey
Single is first collaboration between DJs since 2008's "I Remember"
Pair previously teamed for "Love the Way You Lie," Dr. Dre's "I Need a Doctor"
Rapper Nicki Minaj also performs single "Bed of Lies" and talks to host about early jobs
Skylar Grey collaboration is the fourth single from upcoming album 'The Pinkprint'
'The whole line is going to be unisex,' she says
Album includes collaborations with Kendrick Lamar, Rihanna
Also featured on upcoming will.i.am collaboration
Up-and-coming singer doles out some sweet vengeance
Singer's new album was executive-produced by hip-hop star
Dr. Dre, will.i.am, Mary J. Blige, Stevie Nicks on hand for tribute to Interscope head
Eminem collaborator covers Radiohead at intimate venue