Jack Black and Jason Segel Rock Christmas for Charity (VIDEO)
The Gulliver's Travels stars teamed up to record a Christmas mash-up of "Peace on Earth" and "Little Drummer Boy," which is available for purchase on iTunes, with all proceeds will benefit Blue Star Families, a charity supporting military families.
The guys even get animated in this music video:
What do you think of Jack and Jason's Holiday duet? Let us know in the comments!