Karmin, Pitbull, and Katy Perry made the list tonight, but Bruno Mars makes it rain all over them!

9. In The Dark – DEV

8. Crash Your Party – Karmin

7. Headlines – Drake

6. Stereo Hearts – Gym Class Heroes

5. Turn Me On – David Guetta

4. The One That Got Away – Katy Perry

3. International Love – Pitbull

2. Sexy & I Know It – LMFAO

1. It Will Rain – Bruno Mars