Carrie Underwood, Jimmy Fallon and Rashida Jones Perform a Holiday Medley [VIDEO]

The brilliant Jimmy Fallon has, once again, coerced his Late Night guests into singing some tunes!

Carrie Underwood, Rashida Jones and Jimmy Fallon got into the holiday spirit and performed some of the most popular songs out right now, complete with fun, new lyrics.

Check out the hilarious video, below: