Grenade by Bruno Mars hits the #1 in the Billboard This 2011 First Issue!

Grenade by Bruno Mars hit the #1 in the Billboard Top 100 Music this Year 2011, Its first Issue of the Billboard of this year
Here are the Top 10 Charts of the Top 100 of Billboard!

1. Grenade - Bruno Mars
2. Firework - Katy Perry
3. We R Who We R - Kesha
4. Whats my Name? - Rihanna ft. Drake
5. Raise your glass - Pink
6. Black and yellow - Wiz Khalifa
7. Tonight - Enrique Iglesias ft. Ludacris
8. Bottom up - trey Songz ft. Nicki Minaj
9. The Time (dirty bit) - Black Eyed Peas
10. Just the way you are - Bruno Mars