*Imagine Dragons' Kendrick Lamar-assisted remix of "Radioactive" climbs from second to first this week, knocking YG's "Who Do You Love?" to fourth. T-Pain's "F**k 'Em," formerly third, becomes the runner-up.

*Up from our Rap Chart, Ludacris's "Party Girls," Big Sean's "1st Quarter [Freestyle]" and Yelawolf's "Box Chevy 5" land in sixth, eighth and 11th.

*Trey Songz's "Na Na" graduates from our R&B/Pop Chart to snag 20th.

*Katy Perry's "Dark Horse (Remix)" makes the jump from our Club Hip Hop Chart, claiming 13th.

*Kid Ink's Fired Up," French Montana's "All for You" and Juvenile's "Booty" narrowly miss appearing on the chart. Your feedback and ratings will determine whether they make the cut next week!

1. Imagine Dragons ft. Kendrick Lamar - Radioactive (Remix)

2. T-Pain ft. Rich Homie Quan, Waka Flocka Flame & Young Cash - F**k Em

3. Beyonce ft. Jay Z - Drunk in Love

4. YG ft. Drake - Who Do You Love?

5. Drake - Trophies

6. Ludacris ft. Jeremih & Wiz Khalifa - Party Girls

7. Future ft. Drake & Juicy J - Sh*t (Remix)

8. Big Sean - 1st Quarter [Freestyle]

9. E-40 ft. T.I. & Chris Brown - Episode

10. ScHoolBoy Q - Break the Bank

11. Yelawolf - Box Chevy 5

12. Miley Cyrus - Wrecking Ball (Roxpin Trap Remix)

13. Katy Perry ft. Pitbull - Dark Horse (Remix)

14. Jamla Records ft. Talib Kweli, Elzhi & Phonte - No Competition

15. Busta Rhymes ft. Kanye West, Lil Wayne & Q-Tip - Thank You

16. Beyoncé ft. Busta Rhymes & Azealia Banks - Partition (Remix)

17. Timbaland ft. Drake, Jay Z & James Fauntleroy - Know Bout Me

18. YG ft. Lil Wayne, Rich Homie Quan, Meek Mill & Nicki Minaj - My N*gga (Remix)

19. Gunplay ft. Lil Wayne & Rick Ross - Kush

20. Trey Songz - Na Na

21. Kid Ink ft. Styles P - Fired Up

22. French Montana ft. Wiz Khalifa & Snoop Dogg - All for You

23. Juvenile ft. 2 Chainz - Booty