#1=Gold; Rise=Green; Top 20 Debut=Blue; Same=Gray; Top 40 NEW/RETURN=Light Blue; Fall=Red; Top 20 Return=Purple.
FALLOFFS
00. Louboutins
Jennifer Lopez
Last Week: 40 | Peak: 21 | Weeks On: 09
00. Do You Remember
Jay Sean, Lil' Jon, & Sean Paul
Last Week: 39 | Peak: 07 | Weeks On: 09
00. Morning After Dark
Timbaland, Nelly Furtado, & SoShy
Last Week: 37 | Peak: 08 | Weeks On: 09
TOP 40
40. Lil Freak
Usher & Nicki Minaj
Last Week: 00 | Peak: 40 | Weeks On: 01
39. Bulletproof
La Roux
Last Week: 00 | Peak: 39 | Weeks On: 01
38. Haven't Met You Yet
Michael Bublé
Last Week: 00 | Peak: 38 | Weeks On: 01
37. Shut It Down
Pitbull & Akon
Last Week: 36 | Peak: 13 | Weeks On: 10
36. On to the Next One
Artist
Last Week: 35 | Peak: 21 | Weeks On: 10
35. Celebration
Madonna & Akon
Last Week: 34 | Peak: 06 | Weeks On: 10
34. TiK ToK
Ke$ha
Last Week: 29 | Peak: 01 | Weeks On: 10
33. Bad Romance
Lady GaGa
Last Week: 21 | Peak: 01 | Weeks On: 10
32. 3
Britney Spears
Last Week: 32 | Peak: 01 | Weeks On: 10
31. Fever
Beyoncé
Last Week: 31 | Peak: 31 | Weeks On: 04
30. Friday I'll Be Over U
Allison Iraheta
Last Week: 22 | Peak: 22 | Weeks On: 10
29. Licky [Under the Covers]
Shontelle
Last Week: 33 | Peak: 25 | Weeks On: 10
28. Try Sleeping With a Broken Heart
Alicia Keys
Last Week: 26 | Peak: 17 | Weeks On: 08
27. Memories
David Guetta & Kid Cudi
Last Week: 28 | Peak: 27 | Weeks On: 03
26. Today Was a Fairytale
Taylor Swift
Last Week: 27 | Peak: 26 | Weeks On: 06
25. Fever
Cascada
Last Week: 13 | Peak: 13 | Weeks On: 05
24. If We Ever Meet Again
Timbaland & Katy Perry
Last Week: 25 | Peak: 24 | Weeks On: 04
23. Hard
Rihanna & Jeezy
Last Week: 20 | Peak: 01 | Weeks On: 10
22. Impossible
Shontelle
Last Week: 23 | Peak: 22 | Weeks On: 04
21. Solo
Iyaz
Last Week: 21 | Peak: 21 | Weeks On: 04
20. BedRock
Young Money & Lloyd
Last Week: 17 | Peak: 15 | Weeks On: 10
19. How Low
Ludacris, Ciara, & Pitbull
Last Week: 15 | Peak: 11 | Weeks On: 07
18. According to You
Orianthi
Last Week: 18 | Peak: 09 | Weeks On: 10
17. All the Right Moves
OneRepublic
Last Week: 09 | Peak: 07 | Weeks On: 10
16. Whataya Want From Me
Adam Lambert
Last Week: 19 | Peak: 16 | Weeks On: 10
15. Nothin' on You
B.o.B & Bruno Mars
Last Week: 30 | Peak: 15 | Weeks On: 02
14. Break Your Heart
Taio Cruz & Ludacris
Last Week: 38 | Peak: 14 | Weeks On: 02
13. Breakeven
The Script
Last Week: 14 | Peak: 13 | Weeks On: 05
12. Carry Out
Timbaland & Justin Timberlake
Last Week: 10 | Peak: 07 | Weeks On: 10
11. Live Like We're Dying
Kris Allen
Last Week: 16 | Peak: 11 | Weeks On: 10
10. I Made It
Kevin Rudolf, Birdman, Jay Sean, & Lil' Wayne
Last Week: 12 | Peak: 10 | Weeks On: 05
09. Imma Be
Black Eyed Peas
Last Week: 05 | Peak: 01 | Weeks On: 10
08. Blah Blah Blah
Ke$ha & 3OH!3
Last Week: 06 | Peak: 01 | Weeks On: 09
07. Hey, Soul Sister
Train
Last Week: 07 | Peak: 05 | Weeks On: 08
06. In My Head
Jason Derülo
Last Week: 08 | Peak: 05 | Weeks On: 10
05. Need You Now
Lady Antebellum
Last Week: 11 | Peak: 05 | Weeks On: 06
04. Say Aah
Trey Songz & Fabolous
Last Week: 04 | Peak: 04 | Weeks On: 07
03. Rude Boy
Rihanna
Last Week: 03 | Peak: 03 | Weeks On: 06
02. Sexy Bitch
David Guetta & Akon
Last Week: 02 | Peak: 01 | Weeks On: 10
01. Telephone
Lady GaGa & Beyoncé
Last Week: 01 | Peak: 01 | Weeks On: 10
#1s of 2010:
January 01: Rihanna & Jeezy - Hard [Week 01/52] January 08: David Guetta & Akon - Sexy Bitch (X5) [Week 02/52] January 15: Ke$ha - TiK ToK (X2) [Week 03/52] January 22: Black Eyed Peas - Imma Be [Week 04/52] January 29: Lady GaGa - Bad Romance (X2) [Week 05/52] February 05: Ke$ha & 3OH!3 - Blah Blah Blah [Week 06/52] February 12: David Guetta & Akon - Sexy Bitch (X6) [Week 07/52] February 19: Lady GaGa & Beyoncé - Telephone [Week 08/52] February 26: Lady GaGa & Beyoncé - Telephone (X2) [Week 09/52] March 05: Lady GaGa & Beyoncé - Telephone (X3) [Week 10/52]
)
Lady GaGa - Rihanna - Ke$ha - Lady Antebellum - Michael Buble
