7. Bruno's been Tweeting about hanging out with Charlie King. Has he brought in the big guns?

This image appears in the gallery:
Bruno Mars' New Album: 12 Reasons We're SO Excited About His Return

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

10. 12 images

See the full gallery: Bruno Mars' New Album: 12 Reasons We're SO Excited About His Return