Don't forget to keep checking out the official group for the chart. The American Pop Top 40

1 1 Chris Brown "Forever"
2 2 Ne-Yo "Closer"
3 5 Rihanna "Disturbia"
4 3 Kardinal Offishall "Dangerous (feat. Akon)"
5 6 Jordin Sparks "One Step At A Time"
6 4 Jesse McCartney "Leavin'"
7 8 Secondhand Serenade "Fall For You"
8 9 Leona Lewis "Better In Time"
9 7 Kid Rock "All Summer Long"
10 10 Estelle "American Boy (feat. Kanye West)"
11 17 P!nk "So What"
12 11 Coldplay "Viva La Vida"
13 15 Flo Rida "In the Ayer (feat. will.i.am)"
14 12 Metro Station "Shake It"
15 18 M.I.A. "Paper Planes"
16 13 Katy Perry "I Kissed A Girl"
17 14 The Pussycat Dolls "When I Grow Up"
18 16 Rihanna "Take A Bow"
19 24 David Archuleta "Crush"
20 19 Paramore "That's What You Get"
21 28 Katy Perry "Hot N Cold"
22 22 Boys Like Girls "Thunder"
23 20 3 Doors Down "It's Not My Time"
24 26 Daughtry "What About Now"
25 29 Kevin Rudolf "Let It Rock (feat. Lil Wayne)"
26 27 We The Kings "Check Yes Juliet"
27 35 Shontelle "T-Shirt"
28 23 Three 6 Mafia "Lolli Lolli (Pop That Body) (feat. SuperPower, Young D, and Project Pat)"
29 33 Saving Abel "Addicted"
30 21 Jonas Brothers "Burnin' Up"
31 34 Artists Stand Up To Cancer "JUST STAND UP!"
32 32 September "Cry For You"
33 36 Natasha Bedingfield "Angel"
34 31 One Block Radius "You Got Me"
35 38 Jesse McCartney "It's Over"
36 30 David Cook "The Time of My Life"
37 NEW T.I. "Whatever You Like"
38 37 Plies "Bust It Baby Part 2 (Feat. Ne-Yo)"
39 NEW The Ting Tings "Shut Up And Let Me Go"
40 NEW Gavin Rossdale "Love Remains The Same"