20. Sum 41 - Fat Lip
19. Major Lazer - Keep It Goin' Louder
18. Christina Aguilera - Beautiful
17. Gorrilaz - Stylo
16. Rihanna - Umbrella
15. The White Stripes - Fell in Love with a Girl
14. Billy Talent - Fallen Leaves
13. Coldplay - The Scientist
12. Missy Elliott - Gossip Folks
11. Marianas Trench - Celebrity Status
10. Britney Spears - Toxic
9. OK GO - Here It Goes Again
8. Green Day - Wake Me Up When September Ends
7. Fatboy Slim - Weapon of Choice
6. Hedley - Perfect
5. Kanye West - Jesus Walks
4. Feist - 1234
3. Eminem - Stan
2. Beyonce - Single Ladies
1. Lady Gaga - Bad Romance
http://www.muchmusic.com/tv/holidaywrap/topdecade.aspx