Mariah Carey, Jimmy Fallon, The Roots sing "All I Want for Christmas"

CHRISTMAS IN ROCKEFELLER CENTER -- Pictured: Mariah Carey rehearses for "Christmas in Rockefeller Center" -- (Photo by: Heidi Gutman/NBC)

"Late Night" host Jimmy Fallon and his house band The Roots spread holiday cheer with Mariah Carey Tuesday night on "Late Night with Jimmy Fallon."

Fallon and The Roots provided percussion while the pop superstar sang her holiday classic "All I Want for Christmas."

A group of kids in front provided background vocals for Carey while Fallon and The Roots used various classroom instruments to give the song a new beat.

Tell us: What do you think of their rendition on Carey's classic?