Katy Perry gets into the NFL spirit ahead of the US Super Bowl 2015

This image appears in the gallery:
This Week's MUST-SEE Pictures From The World Of Music

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

10. 77 images

See the full gallery: This Week's MUST-SEE Pictures From The World Of Music