1. Miley Cyrus spent time with her fiancé Liam while wearing leopard footsie pajamas.
3. Neil Patrick Harris shared this pic of a tiny Santa and David Burtka.
8. Ashley Tisdale did duck face in a panda hat.
9. Aziz Ansari uploaded this photo of a baby him.
10. Ke$ha got a kitten sweater!!
14. John Stamos looked handsome with his nephew.
17. Tom Daley posed half-naked under the mistletoe.
19. Lena Dunham wore matching personalized pajamas with her boyfriend Jack Antanoff and friends.
Via instagram.com
20. And Katy Perry tweeted this photo of a creepy Santa, I MEAN JOHN MAYER.
Read more: http://buzzfeed.com/lyapalater/how-celebrities-celebrated-christmas
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