Justin Bieber, Diddy, Diplo Crash Skrillex's Set At Ultra Music Festival - MTV.com

MTV.comJustin Bieber, Diddy, Diplo Crash Skrillex's Set At Ultra Music FestivalMTV.comThe singer took over Skrillex's set at Ultra Music Festival on Sunday night in Miami, and we were there to catch the magic. After Diplo joined his Jack Ü partner at the main stage, they invited tons of guests to join them onstage, including Kiesza ...