Billboard Pop Songs
The week's hottest pop songs, ranked by mainstream top 40 radio airplay detections as measured by Nielsen BDS.
1. Katy Perry - Firework (2 weeks at #1)
2. P!nk - Raise Your Glass
3. Ke$ha - We R Who We R
4. Rihanna - Only Girl (In The World)
5. Bruno Mars - Grenade
6. Nelly - Just A Dream
7. Rihanna feat. Drake - What's My Name?
8. Bruno Mars - Just The Way You Are
9. Mike Posner - Please Don't Go
10. Black Eyed Peas - The Time (Dirty Bit)
http://www.billboard.com/#/charts/pop-songs