*2 Chainz' "No Lie" and A$AP Rocky's "Goldie" tumble from the top two to fourth and fifth this week, clearing the way for Usher's "Lemme See" (formerly third) and Rick Ross' "Touch 'N You" (a Rap Chart graduate) to take the lead.

*Up from the Rap Chart along with Ross' cut, DJ Drama's "We in This B*tch 1.5," T.I.'s "Like That" and Childish Gambino's "We Ain't Them" snag third, sixth and 16th.

*On the R&B/Pop side, Sean Kingston's "Back 2 Life (Live It Up)" and will.i.am's "This Is Love" graduate to claim 15th and 19th.

1. Rick Ross ft. Usher - Touch 'N You

2. DJ Drama ft. Future & Drake - We in This B*tch 1.5

3. 2 Chainz ft. Drake - No Lie

4. A$AP Rocky - Goldie

5. T.I. - Like That

6. Wiz Khalifa - Work Hard Play Hard

7. Chris Brown ft. Big Sean & Wiz Khalifa - Til I Die

8. Brandy ft. Chris Brown - Put It Down

9. David Banner ft. Chris Brown - Amazing

10. Far East Movement ft. Tyga - Dirty Bass

11. 2 Chainz ft. 50 Cent - Riot (Remix)

12. Chief Keef ft. Kanye West, Pusha T, Jadakiss & Big Sean - I Don't Like (Remix)

13. DJ Khaled ft. Chris Brown, Rick Ross, Nicki Minaj & Lil Wayne - Take It To The Head

14. Sean Kingston ft. T.I. - Back 2 Life (Live It Up)

15. Childish Gambino - We Ain’t Them

16. Jay Sean ft. Pitbull - I’m All Yours

17. K'NAAN - Hurt Me Tomorrow

18. will.i.am ft. Eva Simons - This Is Love

19. Chris Brown - Don't Wake Me Up