Exits:
Glee Cast - Don't Stop Believin' (#12)
Train - Hey, Soul Sister (#29)
Adam Lambert - If I Had You (#31)
Miranda Cosgrove - Kissin' U (#32)
Taio Cruz/Ludacris - Break Your Heart (#33)
Uncle Kracker - Good To Be Me (#37)
DJ Earworm - Like OMG Baby Summer 2010 (#42)
Timbaland/Katy Perry - If We Ever Meet Again (#45)
Last week's #1 song: B.o.B./Hayley Williams - Airplanes (3 weeks at #1)
45. Eminem - Not Afraid (-5)
44. Lady Gaga - Alejandro (-1)
43. Linkin Park - Waiting For The End (Debut)
42. Kid Cudi/Kanye West - Erase Me (Debut)
41. Theory of a Deadman - End of the Summer (Debut)
40. Jason Derulo - In My Head (-5)
39. Thriving Ivory - Where We Belong (Debut)
38. 3OH!3 - Double Vision (Debut)
37. Ke$ha - Tik Tok (+1)
36. Travie McCoy - Need You (Debut)
35. Mike Posner - Cooler Than Me (+6)
34. Paramore - The Only Exception (+10)
33. Jay Sean - 2012 (It Ain't The End) (Debut)
32. John Mayer/Taylor Swift - Half of My Heart (-5)
31. B.o.B./Rivers Cuomo - Magic (-22)
30. Neon Trees - Animal (=)
29. Selena Gomez & The Scene - Round and Round (+5)
28. Mumford & Sons - Little Lion Man (Debut)
27. Katy Perry - Teenage Dream (+9)
26. Jason Derulo - Ridin' Solo (-15)
25. Travie McCoy/Bruno Mars - Billionaire (-8)
24. Ke$ha - Take It Off (+4)
23. 2AM Club - Worry About You (-1)
22. K'NAAN/Adam Levine - Bang Bang (-1)
21. Usher - DJ Got Us Fallin' In Love (-2)
20. Never Shout Never - Can't Stand It (=)
19. Cee Lo Green - F.U. (+20)
18. The Script - The Man Who Can't Be Moved (+7)
17. Mike Posner - Please Don't Go (+9)
16. Good Charlotte - Like It's Her Birthday (=)
15. Alexa Ray Joel - Notice Me (+8)
14. The Ready Set - Love Like Woe (=)
13. Bruno Mars - Just the Way You Are (+11)
12. Runner Runner - So Obvious (+1)
11. Taylor Swift - Mine (+4)
10. Maroon 5 - Misery (-2)
9. Ke$ha - Your Love Is My Drug (-4)
8. Train - If It's Love (+2)
7. Enrique Iglesias - I Like It (-1)
6. Plain White T's - Rhythm of Love (+12)
5. Katy Perry - California Gurls (+2)
4. B.o.B./Hayley Williams - Airplanes (-3) (3 weeks at #1)
3. OneRepublic - Secrets (+1)
2. Eminem/Rihanna - Love the Way You Lie (+1)
1. Taio Cruz - Dynamite (+1) (1 week at #1)