VIDEO: John Legend Performs 'This Christmas' on THE TONIGHT SHOW WITH JIMMY FALLON

Music guest John Legend performs a cover of "This Christmas" from the deluxe edition of A Legendary Christmas for the Tonight Show audience.

Watch the performance below!

The Tonight Show Starring Jimmy Fallon features hilarious highlights from the show, including comedy sketches, music parodies, celebrity interviews, ridiculous games, and, of course, Jimmy's Thank You Notes and hashtags!