Gwen Stefani

Character: Self

Blake Shelton

Character: Self

Chelsea Handler

Character: Self

Seth MacFarlane

Character: Self

Ken Jeong

Character: Self

Ne-Yo

Character: Self

Keith L. Williams

Character: Self

Jailen Bates

Character: Self - Announcer

Lauren Gravitt

Character: Young Gwen

Devin Mroz

Character: Lance

Michael Uva

Character: Santa Claus