Sexiest American Music Awards Dresses 2017

Jenna Dewan Tatum

Channing Tatum's better half rocked a sparkling gown from Julien Macdonald that featured a deep neckline and a thigh-high slit.

1 / 10

Lili Reinhart

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The actress, who plays Betty on the hit show Riverdale, showed off some leg in a black gown. She finished her look off with Stuart Weitzman heels.

2 / 10

Kelly Rowland

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The singer's black gown by Galia Lahav featured sheer sleeves and a thigh-high split. She finished her look with Mateo earrings.

3 / 10

Madelaine Petsch

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The Riverdale star's black dress featured a daring, sheer cutout detail.

4 / 10

Ciara

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The singer wore a head-to-toe look by Alexandre Vauthier.

5 / 10

Demi Lovato

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The songstress wore a sheer strapless gown by Ester Abner and Stuart Weitzman heels.

6 / 10

Tracee Ellis Ross

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The star arrived to host the show in a backless sequined gown by Stella McCartney and Tamara Mellon heels.

7 / 10

Selena Gomez

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Selena suited up in some seriously sexy biker-inspired Coach leather.

8 / 10

Hailee Steinfeld

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Hailee wore a sexy bustier paired with a blazer and tailored trousers. She finished her look off with Bulgari jewels.

9 / 10

Heidi Klum

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Heidi wore a body-hugging gown that featured a plunging neckline.

10 / 10