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1. Chris Brown

Source:Chris Pizzello/Invision/AP

2. Nicki Minaj

Source:Chris Pizzello/Invision/AP

3. Mariah Carey

Source:Chris Pizzello/Invision/AP

4. Kanye West

Source:Chris Pizzello/Invision/AP

5. Imagine Dragons during their Ben E. King tribute

Source:Chris Pizzello/Invision/AP

6. Britney Spears

Source:Eric Jamison/Invision/AP

7. Taylor Swift

Source:David Gabber / PRPhotos

8. Kendall Jenner

Source:David Gabber / PRPhotos

9. Wiz Khalifa

Source:David Gabber / PRPhotos

10. Mariah Carey

Source:David Gabber / PRPhotos

11. Jennifer Lopez

Source:David Gabber / PRPhotos

12. Chrissy Tiegen

Source:David Gabber / PRPhotos

13. Zendaya

Source:David Gabber / PRPhotos.

14. Rita Ora

Source:David Gabber / PRPhotos

15. Taraji P Henson

Source:David Gabber / PRPhotos

16. Ludacris

Source:David Gabber / PRPhotos

17. Kylie Jenner

Source:David Gabber / PRPhotos

18. John Legend

Source:David Gabber / PRPhotos

19. 50 Cent

Source:David Gabber / PRPhotos