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.
7. Sarah Hyland and her boyfriend wore matching pajamas.
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.
16. Justin Bieber looked surprised behind this Christmas tree.
17. Tom Daley posed half-naked under the mistletoe.
19. Lena Dunham wore matching personalized pajamas with her boyfriend Jack Antanoff and friends.
20. And Katy Perry tweeted this photo of a creepy Santa, I MEAN JOHN MAYER.
- At least three police officers in Colorado Springs were injured in a shooting at a Planned Parenthood clinic, officials said. ›
- At least 15 people were killed after a suicide bomber attacked a Shiite Muslim procession of hundreds of people in Nigeria. ›
- And how well do you know what happened in the news this week? Take our quiz. ›