See How These 21 Celebs Rocked Their Ugly Christmas Sweaters ...

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.

2 Ariana Grande

... except that's actually a CUTE Christmas sweater!

3 The Biebs

4 Lauren Conrad

5 Katy Perry

5 Katy Perry

6 Miley

7 Ed Sheeran

It's a cat-mas sweater, but still.

8 One Direction + Jimmy Fallon

9 Joe Jonas

Not sure who that is in the black sweater, but it looks like he might be wearing an ugly sweater, too.

10 Hailee Steinfeld

Not sure who that is in the black sweater, but it looks like he might be wearing an ugly sweater, too.

10 Hailee Steinfeld

11 Anna Kendrick

Actually... I really like this sweater dress...

12 Sofia Coppola

I must have this sweater, stat!

13 Kanye

14 Haylee Williams

Wow... that's quite an ensemble! #jealous

15 Matt Damon

16 Tegan & Sara

16 Tegan & Sara

17 Taylor Swift

18 Elijah Wood

19 Beyonce

20 Cee Lo Green

21 Snoop Dogg