10 Celebs in Awesome Christmas Sweaters

9) Demi Lovato and Pals (9 of 10)

9) Demi Lovato and Pals (9 of 10)

Demi Lovato poses with pals Niall Horan, Olly Murs, and Sam Smith in this hilarious photo. The group squeezed into one big sweater to take this fun shot.