26 28 50 Cent Acceptance Alter Bridge Andra Day Ashanti Beyonce Big Boi Calvin Harris DJ Khaled DJ Muggs Down Fall Out Boy Fat Joe Fort Minor Gwen Stefani Gym Class Heroes Janet Jackson Jay Sean Katy Perry Kendrick Lamar King Lil Wayne LL Cool J Loudness Lupe Fiasco Mack 10 Macy Gray Madonna Mary J. Blige Mike Jones MxPx Myles Kennedy Mystikal Natasha Bedingfield Nicki Minaj Omarion OneRepublic Outkast Pendulum Royce da 5'9 Rush Slim Thug Snoop Dogg State Champs T.I. The Charm The Fury The Game The Lonely Island The Story So Far The Veronicas Transplants Travis Barker Tyler, the Creator Various Artists will.i.am Yelawolf Zendaya