Billboard.com

1. Plain White T's-Hey There Delilah
Plain White T's
2.Fergie-Big Girls Don't Cry Fergie
3.Rihanna Featuring Jay-Z-Umbrella Rihanna
4. Timbaland Featuring Keri Hilson-The Way I Are TImbaland
5. Shop Boyz-Party Like A Rockstar Shop Boyz
6. High School Musical 2 Cast-What Time Is It
7. Akon-Sorry, Blame It On Me
8. Hurricane Chris-A Bay Bay
9. T-Pain Featuring Yung Joc-Buy U A Drank (Shawty Snappin')T-Pain
10.T-Pain Featuring Akon-Bartender T-Pain
11.Fabolous Featuring Ne-Yo Make Me Better
12.Plies Featuring T-Pain- Shawty
13.T.I. -Big Things Poppin' (Do It)
14.Maroon 5- Makes Me Wonder
15.Rihanna- Shut Up And Drive
16.Fall Out Boy- Thnks Fr Th Mmrs
17.Aly & AJ -Potential Breakup Song
18.Amy Winehouse- Rehab
19.Justin Timberlake- Summer Love
20.Elliott Yamin -Wait For You
21.Linkin Park- What I've Done
22.Avril Lavigne- Girlfriend
23.Sean Kingston- Beautiful Girls
24.Nickelback -Rockstar
25.Carrie Underwood- Before He Cheats
26.R. Kelly Duet With Usher- Same Girl
27.Daughtry- Home
28.Soulja Boy -Crank That (Soulja Boy)
29.Kat Deluna Featuring Elephant Man- Whine Up
30.Yung Berg Featuring Junior- Sexy Lady
31.Boys Like Girls- The Great Escape
32.Gwen Stefani Featuring Akon -The Sweet Escape
33.Huey- Pop, Lock & Drop It
34.Lloyd -Get It Shawty
35.Kenny Chesney- Never Wanted Nothing More
36.Lifehouse- First Time
37.Mims -Like This
38.Down A.K.A. Kilo- Lean Like A Cholo
39.Taylor Swift -Teardrops On My Guitar
40.Pink- U + Ur Hand
41.Fergie Featuring Ludacris- Glamorous
42.Ne-Yo -Do You
43.Avril Lavigne- When You're Gone
44.Big & Rich- Lost In This Moment
45.Timbaland Featuring Nelly Furtado & Justin Timberlake- Give It To Me
46.Keyshia Cole Featuring Missy Elliott & Lil Kim-Let It Go
47.Lil Boosie Featuring Foxx & Webbie- Wipe Me Down
48.Fantasia- When I See U
49.Eve -Tambourine
50.Lil Mama- Lip Gloss

Source-http:// Billboard.com