Joe DeMaio
Angela Kinsey
饰:Herself - Co-Host
Christina Aguilera
饰:Herself
Justin Bieber
饰:Himself
Cee-Lo Green
饰:Himself
Beyoncé Giselle Knowles
饰:Herself
Adam Levine
饰:Himself
Carson Daly
饰:Self - Host
Adele
饰:Self (archive footage)
Rozi Baker
饰:Self
Hayley Feinstein
饰:Self
David Guetta
饰:Self (archive footage)
Madonna
饰:Self (archive footage)
Psy
饰:Self (archive footage)
Blake Shelton
饰:Self
Tori Feinstein
饰:Self
饰:singer / Self
Nick Offerman
饰:Self
饰:Self
饰:Themselves (archive footage)