Rihanna got into the festive spirit with a Santa hat!

This image appears in the gallery:
19 Pictures You Shouldn't Have Missed This Week (19th December)

1. 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
9. 

10. 19 images

See the full gallery: 19 Pictures You Shouldn't Have Missed This Week (19th December)