*Formerly on top, Rihanna's "Where Have You Been" and Usher's "Scream" tumble to (respectively) fifth and fourth. Taking their place are Flo Rida's "Whistle," (a former Top Hip Hop and R&B Chart Pick) and R. Kelly's "Feelin' Single" (formerly ninth).

*Debuting this week, Justin Bieber's "Boyfriend (Remix)," Nicki Minaj's "Right by My Side," Omarion's "Let's Talk" and Bebe Rexha's "Ride Till You Die" debut in 10th, 16th, 18th and 19th.

*Edged out by the newcomers, B.o.B's "So Good," R. Kelly's "Share My Love," Ne-Yo's "Burning Up" and Sabi's "Where They Do That" exit the running.

1. R. Kelly - Feelin' Single

2. Goodie Mob - Fight to Win

3. Usher - Scream

4. Rihanna - Where Have You Been

5. Jeremih - Late Nights

6. Trey Songz - Heart Attack

7. Eric Benét ft. Lil Wayne - Redbone Girl

8. Calvin Harris ft. Ne-Yo - Let's Go

9. Justin Bieber ft. 2 Chainz, Mac Miller & Asher Roth - Boyfriend (Remix)

10. R. Kelly ft. DJ Khaled & Ace Hood - Its On

11. T. Mills - Diemonds

12. Sammy Adams - Only One

13. Akon ft. French Montana - Hurt Somebody

14. Nicki Minaj ft. Chris Brown - Right by My Side

15. Maroon 5 ft. Wiz Khalifa - Payphone

16. Omarion ft. Rick Ross - Let's Talk

17. Ne-Yo - Lazy Love

18. Bebe Rexha ft. Voli - Ride Till You Die

19. B.o.B - So Hard To Breathe