TOP USA

1.LADY GAGA - BORN THIS WAY

2) [+1] Katy Perry - Firework

3) [-1] Bruno Mars - Grenade
4) [-3] Wiz Khalifa - Black & Yellow
5) [-1] P!nk - F**kin' Perfect
6) [=] Enrique Iglesias feat. Ludacris - Tonight
7) [+9] Cee-Lo Green - FU
8) [+23] Rihanna - S&M
9) [+10] Black Eyed Peas - The Time (Dirty Bit)

10) [=] Britney Spears - Hold It Against Me