20
Lights "Ice" [Debut]
19
Florance & the Machine "Drumming Songs" [Debut]
18
Lifehouse "Halfway Gone" [+2] [2,18]
17
P!nk "I Don't Believe You" [+1] [3,17]
16
Bon Jovi "We Weren't Born To Follow" [-4] [9,1]
15
Jessie James "My Cowboy" [+4] [3,15]
14
Adam Lambert "For Your Entertainment" [+3] [6,14]
13
Creed "Rain" [-3] [9,3]
12
Kris Allen "Live Like We're Dying" [-5] [9,3]
11
Orianthi "According To You" [+3] [5,11]
10
Taylor Swift "Fifteen" [+3] [5,10]
9
Owl City "Fireflies" [-1] [9,1]
8
Flyleaf "Beautiful Bride" [+3] [6,8]
7
Allison Iraheta "Friday I'll Be Over U" [-2] [9,1]
6
Carrie Underwood "Cowboy Casanova" [+3] [5,6]
5
Paramore [-2] [8,1]
4
The Script "Breakeven" [+2] [9,4]
3
Michael Buble "Haven't Met You Yet" [-2] [9,1]
2
Muse "Undisclosed Desires" [+2] [8,2]
1
Rise Against "Saviour" [+1] [7,1]
Number 1s
Allison Iraheta "Friday I'll Be Over U" (3x)
Bon Jovi "We Weren't Born To Follow"
Owl City "Fireflies"
Paramore "Brick By Boring Brick" (2x)
Michael Bublé “Haven’t Met You Yet”
Rise Against "Savior"
Sneak Peak at up coming debuts
Boys Like Girls ft Taylor Swift "Two Is Better Than One"
Nickelback "Never Gonna Be Alone"
Rob Thomas “Someday”
Brandi Carlile “Dreams”
30 Seconds to Mars "Kings and Queens"
Shakira ft. Lil' Wayne"Give It Up To Me"
Also thanks to everyone who commented.