Katy Perry (4) - February 12, 2011

                                                     Katy Perry Shooting Off Fireworks

()= Last week

1. Katy Perry- Firework (#1)

2. Bruno Mars- Just The Way You Are (#18)

3. Pink- Perfect (#16)

4. Nelly- Just a Dream (#4)

5. Ke$ha- We R Who We R (#5)

6. Usher- More (#14)

7. Jason Aldean feat. Kelly Clarkson- Don't You Wanna Stay (#11)

8. JTX- Love In America (#24)

9. The Downtown Fiction- I Just Wanna Run (#7)

10. Enrique Iglesias feat. Ludacris- Tonight  (#19)

11. The Script- For the First Time (#20)

12. Britney Spears- Hold It Against Me (#8)

13. Lifehouse- All In (#13)

14. Taio Cruz feat. Travie McCoy- Higher (#21)

15. Rock Mafia- The Big Bang (#17)

16. Pink- Raise Your Glass (#3)

17. Cee Lo Green- Forget You! (#6)

18. Bruno Mars- Grenade (#2)

19. The Daylights- I Hope This Gets To You (#35)

20. Edward Maya & Vika Jigulina- Stereo Love (#28)

21. Far East Movement feat. Ryan Tedder- Rocketeer (#12)

22. Every Avenue- Tell Me I'm A Wreck (#37)

23. Travie McCoy- We'll Be Alright (#27)

24. Train- Marry Me (#25)

25. Mann feat. 50 Cent- Buzzin' (#34)

26. Avril Lavigne- What the Hell (#10)

27. David Guetta feat. Rihanna- Who's That Chick (#32)

28. My Chemical Romance- SING (#29)

29. Lady Gaga- Born This Way (DEBUT)

30. Sick Puppies- Maybe (#9)

31. Christina Perri-Jar of Hearts (DEBUT)

32. Neon Trees- 1983 (#15)

33. Taio Cruz- Dynamite (#36)

34. Taylor Swift- Back to December (#39)

35. Far East Movement feat. Cataracs & Dev- Like A G6 (#23)

36. Vampire Weekend- Holiday (#22)

37. 3OH!3- Double Vision (#33)

38. Flo-Rida feat. David Guetta- Club Can't Handle Me (RE-ENTRY)

39. Linkin Park-Waiting for the End (#43)

40. Usher feat. Pitbull- DJ Got Us Falling In Love (#45)

41. Sugarland- Stuck Like Glue (#41)

42. Trey Songz feat. Nicki Minaj- Bottoms Up (#38)

43. Katy Perry- Teenage Dream (#44)

44. Mike Posner feat. Lil Wayne- Bow Chicka Wow Wow (DEBUT)

45. Rihanna- Only Girl (In the World) (#26)

Falling Off

La Roux- In for the Kill (#30)

Enrique Iglesias feat. Pitbull- I Like It (#31)

Big Heed & Alien- Tipsy (#40)

Rihanna & Drake- What's My Name (#42)

Hit-Bound Songs

Tinie Tempah feat. Eric Turner- Written in the Stars

Paper Tongues- Get Higher

Jennifer Lopez feat. Pitbull- On the Floor

Runner Runner- Hey Alli

Nelly feat. Kelly Rowland- Gone

Black Keys- Tighten Up

Bruno Mars- Count On Me

Mumford & Sons- The Cave

Flo Rida feat. Akon- Who Dat Girl

The Summer Set- Chelsea

Black Eyed Peas- Just Can't Get Enough

Hot Chelle Rae- Tonight Tonight

Miranda Cosgrove- Dancing Crazy

Christian TV- When She Turns 18

Pitbull feat. T-Pain- Hey Baby (Drop It to the Floor)