The Ugly Christmas Sweater isn't just for us common folk - celebs rock them too! Here are some shots of our fave celebs in their gaudiest, goofiest holiday sweaters.
1 This Fun Foursome
That's Demi Lovato, Sam Smith, Olly Murs and Niall Horan.
2 Ariana Grande
That's Demi Lovato, Sam Smith, Olly Murs and Niall Horan.