The 46th annual event, held at the Staples Center in Los Angeles. Slated performers include Christina Aguilera; George Clinton and Parliament Funkadelic; Celine Dion; 50 Cent; Foo Fighters; Vince Gill; Alicia Keys; Beyoncé Knowles; Earth, Wind and Fire; Dave Matthews; Outkast; Sean Paul; Prince; Sting; Justin Timberlake; the White Stripes; and Pharrell Williams.