VIDEO : Grammys Add Justin Bieber, Diplo and SkrillexTo The Lineup...

Justin Bieber will perform at the Grammys with Jack Ü's Diplo and Skrillex, while the awards show has also added performances from Chris Stapleton, Gary Clark Jr. and Bonnie Raitt alongside rock supergroup Hollywood Vampires. Bieber, Skrillex and Diplo will perform their hit "Where Are Ü Now" (nominated for Best Dance Recording) in their first live television performance. Hollywood Vampires ? which comprises Alice Cooper, Johnny Depp and Joe Perry ? will also make their TV debut with a tribute to late Motörhead frontman, Lemmy Kilmister.