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Click through for the highlights of this year’s Billboard Music Awards red carpet appearances and musical performances.

1. Iggy Azalea & Britney Spears

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LAS VEGAS, NV – MAY 17: Recording artists Iggy Azalea (L) and Britney Spears attend the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

2. Iggy Azalea & Nick Young

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LAS VEGAS, NV – MAY 17: NBA player Nick Young (L) and recording artist Iggy Azalea attend the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

3. Wiz Khalifa

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LAS VEGAS, NV – MAY 17: Rapper Wiz Khalifa attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

4. Jennifer Lopez

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LAS VEGAS, NV – MAY 17: Musician Jennifer Lopez attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

5. Jennifer Lopez

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LAS VEGAS, NV – MAY 17: Musician Jennifer Lopez attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

6. Estelle

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LAS VEGAS, NV – MAY 17: Musician Estelle attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

7. Ludacris

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LAS VEGAS, NV – MAY 17: Host Ludacris attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

8. Bryshere Gray of Empire

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Bryshere Y. Gray attends the 2015 Billboard Music Awards.

9. Zendaya

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LAS VEGAS, NV – MAY 17: Recording artist Zendaya attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

10. Zendaya

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Singer Prince Royce attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

12. Taraji P Henson

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LAS VEGAS, NV – MAY 17: Actress Taraji P. Henson attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

13. Kendal Jenner with Jourdan Dunn & Olivier Rousteing

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LAS VEGAS, NV – MAY 17: (L-R) Model Jourdan Dunn, designer Olivier Rousteing and model Kendall Jenner, all wearing Balmain x H&M, attend the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

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LAS VEGAS, NV – MAY 17: Actress Taraji P. Henson attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

15. Kendall Jenner

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LAS VEGAS, NV – MAY 17: Model Kendall Jenner wearing Balmain x H&M attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

16. Jussie Smollett

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LAS VEGAS, NV – MAY 17: Actor Jussie Smollett attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

17. Laverne Cox

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LAS VEGAS, NV – MAY 17: Actress Laverne Cox attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

18. Tracee Ellis Ross

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LAS VEGAS, NV – MAY 17: Actress Tracee Ellis Ross attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

19. Kylie Jenner

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LAS VEGAS, NV – MAY 17: Model Kylie Jenner attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

20. 50 Cent

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50 Cent attends the 2015 Billboard Music Awards, May 17, 2015, at the MGM Grand Garden Arena in Las Vegas, Nevada.

21. Dencia

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LAS VEGAS, NV – MAY 17: Musician Dencia attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

22. Mariah Carey

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LAS VEGAS, NV – MAY 17: Singer Mariah Carey attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

23. Rita Ora

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LAS VEGAS, NV – MAY 17: Recording artist Rita Ora attends the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.

24. Chrissy Teigen & John Legend

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LAS VEGAS, NV – MAY 17: Co-host Chrissy Teigen (L) and recording artist John Legend attend the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada.