News: Billboard - Top 20 (Singles Of The Year)

1. Ke$ha - Tik Tok 

2. Lady Antebellum - Need You Now 

3. Train - Hey, Soul Sister 

4. Katy Perry feat. Snoop Dogg - California Gurls 

5. Usher feat. will.i.am - OMG 

6. B.o.B feat. Hayley Williams - Airplanes 

7. Eminem feat. Rihanna - Love The Way You Lie 

8. Lady Gaga - Bad Romance 

9. Taio Cruz - Dynamite 

10. Taio Cruz feat. Ludacris - Break Your Heart 

11. B.o.B feat. Bruno Mars - Nothin' On You 

12. Enrique Iglesias feat. Pitbull - I Like It 

13. Young Money feat. Lloyd - Bedrock 

14. Jason Derulo - In My Head 

15. Rihanna - Rude Boy 

16. Lady Gaga feat. Beyonce - Telephone 

17. Katy Perry - Teenage Dream 

18. Bruno Mars - Just The Way You Are 

19. Mike Posner - Cooler Than Me 

20. The Black Eyed Peas - Imma Be