Jimmy Fallon Recruits Paul McCartney, Reese Witherspoon and the Stars of 'Sing' for a Fun Christmas Singalong

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Jimmy Fallon knows how to celebrate Christmas right!
The Tonight Show host and The Roots teamed up with Paul McCartney for an a cappella rendition of his 1986 hit "Wonderful Christmas Time," and they got a little help from the cast of the upcoming animated musical Sing.
Reese Witherspoon, Scarlett Johansson, Matthew McConaughey, Seth McFarlane, and Tori Kelly also joined in on the holiday fun, along with their various animated animal characters from the highly anticipated family comedy.
Leave it to Fallon to come up with a wonderful, lighthearted musical gift to add a little more fun and brightness to this holiday season.
Recently, James Corden gave America a similar gift with his star-studded Christmas-themed "Carpool Karaoke" mash-up, featuring (almost) all of his 2016 "Carpool" passengers singing along to Mariah Carey's "All I Want For Christmas Is You." Check out the lighthearted holiday special in the video below.