Celebs stun at the American Music Awards — see the best looks

/ Source: TODAY

The 44th annual American Music Awards Sunday brought out music's hottest stars, and the red carpet was even hotter. Celebs stepped out in everything from glamorous gowns to ultra-sexy minidresses.

Below, check out some of the most show-stopping looks.

Selena Gomez

Jordan Strauss / AP

The pop star, who recently took a break from the spotlight, opened up while accepting her award for Favorite Female Artist — Pop/Rock. For her return to the stage, she chose a dramatic red ballgown with a fresh neckline. She accented the look with only a pair of earrings for an ensemble that was both simple and stunning.

Gigi Hadid

Jordan Strauss / AP

The supermodel strutted her stuff on the red carpet in a gorgeous lace gown by Roberto Cavalli before taking the stage as co-host with "SNL" comedian Jay Pharoah.

Hailee Steinfeld

Jordan Strauss / AP

The actress was on-hand to present the Favorite Female Artist — Pop/Rock award, and for the occasion she chose an embellished minidress with a plunging neckline and cape-like sleeves.

Lady Gaga

Jordan Strauss / AP

The mega-talented singer and actress was giving us serious Bianca Jagger vibes in a stunning white pantsuit and wide brimmed hat.

RELATED: 'I was absolutely broken inside': Selena Gomez delivers emotional speech at AMAs

Ciara

DANNY MOLOSHOK / Reuters

The mom-to-be flaunted her baby bump in a black drop-waist gown with a dramatic high-low skirt.

RELATED: Ciara and Russell Wilson announce engagement in sweet video: 'She said yes!'

Chrissy Teigen

DANNY MOLOSHOK / Reuters

Model Chrissy Teigen wore one of the most talked about looks of the night in this black gown with a daring waist-high slit.

Heidi Klum

DANNY MOLOSHOK / Reuters

The supermodel looked like a million bucks in an opulent gold-patterned jumpsuit by Wolk Morais.

Behati Prinsloo

Jordan Strauss / AP

The new mom to daughter Dusty Rose looked amazing as she stepped out on the red carpet in a tiny asymmetrical black minidress.

RELATED: Adam Levine, Behati Prinsloo share first photo of daughter Dusty Rose

Lilliana Vazquez

Frederick M. Brown / Getty Images

The TODAY Style Squad contributor wore one of our favorite looks of the night in this celestial-inspired navy dress.

Janelle Monae

DANNY MOLOSHOK / Reuters

The singer looked fabulous in a black and white striped minidress topped with a fur coat in a larger version of the same pattern.

Niall Horan

Jordan Strauss / AP

We can't forget the men — and Niall Horan was one of our favorites in this patterned gray suit with some smart spectacles.

We apologize, this video has expired.

Jenny McCarthy

Frederick M. Brown / Getty Images

The actress and radio-host looked elegant in a black jumpsuit accented with edgy detailing at the back.

Nina Dobrev

DANNY MOLOSHOK / Reuters

The actress looked stunning in a black and silver patterned suit that showed off her toned legs.

Ariana Grande

Jordan Strauss / AP

The "Side to Side" singer performed her hit single with Nicki Minaj at last night's show, but not before stepping out on the red carpet in a lingerie-inspired bustier and wide-leg white pants.