20 Biggest Selling One Weekers (As Of 17 sep)

1. Rihanna - Russian Roulette (770,000)

2. Lady GaGa - Bad Romance (640,000)

3. Jason Derulo - Whatcha Say (320,000)

4. Taio Cruz - Dynamite (310,000)

5. Lady GaGa - PokerFace (300,100)

6. Alexandra Burke - Bad Boys (300,000)

7. Beyonce - Halo (290,000)

8. Jason Derulo - Ridin' Solo (289,000)

9. Jason Derulo - In My Head (280,000)

10. Jason Derulo - What If (275,000)

11. Rihanna - Only Girl (230,000)

12. Rihanna - Te Amo (220,000)

13. Train - Hey, Soul Sister (210,400)

14. Jay Z - Empire State Of Mind (210,000)

15. Glee Cast - Don't Stop Believin' (205,000)

16. Glee Cast - Like A Prayer (203,000)

17. Jay Z - Run This Town (201,000)

18. Lady GaGa - Telephone (200,000)

19. Alexandra Burke - All Night Long (198,000)

20. Rihanna - RudeBoy (194,000)