Video: All I Want For Christmas Is You
Jimmy Fallon and The Roots join Mariah Carey on holiday classic

Late night's favorite funny man, Jimmy Fallon, along with the very funky group, The Roots, join diva, Mariah Carey, on her classic holiday song, "All I Want For Christmas Is You." Watch the crew give a cute live performance featuring Mariah's fierce vocals along with Jimmy and The Roots getting their jam on using "classroom instruments!"