Louis J. Horvitz
Stefani Joanne Angelina Germanotta
Justin Bieber
Marshall Bruce Mathers III
饰:Himself - Performer
Arcade Fire
饰:Themselves - Performers
Dierks Bentley
饰:Himself - Presenter
B.o.B.
饰:Himself - Performer
Cee-Lo Green
饰:Himself - Performer
Miley Cyrus
饰:Herself - Presenter
Selena Gomez
饰:Herself - Presenter
Aubrey Drake Graham
饰:Himself - Performer
Neil Patrick Harris
饰:Himself - Presenter
Mick Jagger
饰:Himself - Performer
Norah Jones
饰:Herself - Presenter
Kris Kristofferson
饰:Himself
Lady Antebellum
饰:Themselves - Performers
Miranda Lambert
饰:Herself - Performer
John Legend
饰:Himself - Presenter
James Todd Smith
饰:Himself - Presenter
Bruno Mars
饰:Himself - Performer
Nicki Minaj
饰:Herself - Presenter
Janelle Monáe Robinson
饰:Herself - Performer
Muse
Gwyneth Paltrow
饰:Herself - Performer
Paramore
饰:Themselves - Presenter
Katy Perry
饰:Herself - Performer
Usher Raymond IV
饰:Himself - Performer
Robyn Rihanna Fenty
饰:Herself - Performer
Seth Aaron Rogen
饰:Himself - Presenter
Blake Shelton
饰:Himself - Presenter
Jaden Smith
饰:Herself - Performer
Barbra Streisand
饰:Herself - Performer