1. Just Dance - Lady GaGa & Colby O'Donis
2. Heartless - Kanye West
3. Gives You Hell - The All-American Rejects
4. Love Story - Taylor Swift
5. Single Ladies (Put a Ring On It) - Beyoncé
6. Circus - Britney Spears
7. Hot N Cold - Katy Perry
8. I'm Yours - Jason Mraz
9. Love Lockdown - Kanye West
10. Womanizer - Britney Spears
11. I Hate This Part - The Pussycat Dolls
12. Let It Rock - Kevin Rudolf & Lil Wayne
13. Right Now (Na Na Na) - Akon
14. Gotta Be Somebody - Nickelback
15. You Found Me - The Fray
16. If I Were a Boy - Beyoncé
17. Live Your Life (feat. Rihanna) - T.I.
18. Untouched - The Veronicas
19. Rehab - Rihanna
20. Disturbia - Rihanna
21. I'm So Paid - Akon, Lil Wayne & Young Jeezy
22. I Don't Care (Single Version) - Fall Out Boy
23. Sober - P!nk
24. Chicken Fried - Zac Brown Band
25. La la Land - Demi Lovato
26. White Horse - Taylor Swift
27. Human - The Killers
28. Let It Rock - Kevin Rudolf & Lil Wayne
29. Beautiful - Akon, Colby O'Donis & Kardinal Offishall
30. Whatever You Like - T.I.
31. Viva la Vida - Coldplay
32. Dead and Gone (feat. Justin Timberlake) - T.I.
33. Miss Independent - Ne-Yo
34. So What - P!nk
35. Kiss Me Thru the Phone (feat. Sammie) - Soulja Boy Tell 'Em
37. Pen & Paper - The Red Jumpsuit Apparatus
38. Decode - Paramore
39. Addicted - Saving Abel
40. Light On - David Cook
41. Paper Planes - M.I.A.
42. About You Now - Miranda Cosgrove
43. Green Light (feat. André 3000) - John Legend
44. Shake It - Metro Station
45. Poker Face - Lady GaGa
46. Live Your Life (feat. Rihanna) - T.I.
47. Crush - David Archuleta
48. Mad - Ne-Yo
49. One More Drink (With T-Pain) - Ludacris & T-Pain
50. Pop Champagne (feat. Juelz Santana) - Jim Jones & Ron Browz
1. Lady GaGa- Just Dance
2. James Morissison & Nelly Furtado- Broken Strings
3. The Saturdays- Issues
4. Leona Lewis- Run
5. Kevin Rudolf ft Lil Wayne- Let it Rock
6. Kings of Leon- Use Somebody
7. Beyonce- Single Ladies
8. Kanye West- Heartless
9. Alexandra Burke- Hallelujah
10. Beyonce- If I were a boy
11. Katy Perry- Hot 'n' Cold
12. MGMT- Kids
4. Love Story- Taylor Swift
26. White Horse- Taylor Swift
73. Our Song- Taylor Swift
105. You Belong With Me- Taylor Swift
114. Forever & Always- Taylor Swift
116. Fearless- Taylor Swift
also
Australia:
41. Love Story- Taylor Swift(steadily climbing and should go up more when she visits Australia in March. She's also visiting the UK in March and will release Fearless there then too).
.
I think her popularity bar moved up a bit. I'll send you the bars here in a minute. 
