Z100 9@9 (03.01.2011)
9 Jessie J/B.o.B - Price Tag [R]
8 Enrique Iglesias/Ludacris - Tonight (I'm ****in' You) [R]
7 Keri Hilson - Pretty Girl Rock [R]
6 Chris Brown - Yeah 3X [-3]
5 Britney Spears - Hold It Against Me [R]
4 Avril Lavigne - What The Hell [R]
3 Ke$ha - Blow [+1]
2 Lady Gaga - Born This Way [=]
1 Rihanna - S&M [=]
Falloffs
5 Far East Movement/Ryan Tedder - Rocketeer
6 P!nk - ****in' Perfect
7 Bruno Mars - Grenade
8 Usher - More
9 Tinie Tempah/Eric Turner - Written In The Stars
http://www.yes.com/#WHTZ