
Olivia Rodrigo takes a selfie with fans during the 2021 American Music Awards at Microsoft Theater on November 21, 2021 in Los Angeles, California.

Rodrigo brought sparkle to the red carpet in a periwinkle David Koma gown. This is Rodrigo's first appearance at the awards and she is also the most nominated artist this year.

Rapper Cardi B put her best fashion foot forward on the red carpet, donning a black Schiaparelli gown and veil. She covered her face with a surreal golden mask and accessorized with statement earrings.

This striking look is just one of many Cardi B wore throughout the night, as host of the event.

K-Pop group BTS arrived as a cohesive unit in shades of grey and charcoal, donning double-breasted Louis Vuitton suits with tie belt details and small pops of color in pink, blue and green.

"Pose" star Billy Porter has made a name as one of the red carpet's most exciting arrivals, with his flamboyant, gender-fluid outfits. Porter turned to aquatic clothing brand Botter for his blue outfit, which featured a keyhole cut out and an umbrella-shaped hat -- paired with a pair of black glossy platform heels.

Presenter and YouTuber Liza Koshy put a spin on the classic little black dress, choosing a sculptural mini dress by Annakiki and thigh high black boots for the awards show.

Larray's floral-printed suit by Gucci was a tasteful reminder of the bright summer months and his gigantic red platform heels made a major statement. Larray, who decided against a shirt for the outfit, also revealed on the red carpet that words had been embroidered into the back of his blazer which read, "Music is mine / Gucci Seats / Reclined."

Machine Gun Kelly wore a chain and metal eyelet embellished tunic by Ashton Michael and a punk spiked collar. He was accompanied by his daughter, Casie Colson Baker, and the pair were photographed making pinky promises on the carpet.

Eurovision winners Måneskin took the world by storm with their defiance of gender norms and their AMAs outfits were true to form, with all four members donning matching black Gucci suits with bowties and smoky black eyeliner.

Winnie Harlow dared to bare in a fringed outfit by Zuhair Murad, adorned with metallic chains and vibrant teardrop-shaped beads. Harlow shared an early preview of her outfit on Instagram, sharing she was "red carpet ready" as she knelt in golden stilettos.

Singer Chlöe Bailey, who is recently pursuing a solo career as Chlöe, made a splash in a slinky black Monsoori dress with striking cut outs across her chest and hip. Blink and you'll miss her unusual piece of jewelry: a minimal golden waist chain which peeks out from under her gown.

Halle Bailey took a page out of her sister Chloe's book, wearing a skin-baring gown by LaQuan Smith. The brown velvet gown, which featured a gigantic diamond-shaped lace up cut out and a high leg slit, was paired with a pair of bronze strappy heels and a slicked back updo.

"In the Heights" star Anthony Ramos was yet another male star to choose a double-breasted suit, opting for a concrete velvet look detailed with an abstract botanical pattern from Ermenegildo Zegna.

Kali Uchis wore not just one, but two corseted outfits on the AMAs' red carpet. The above is Uchis' second outfit, a Thierry Mugler ensemble featuring black glossy mini skirt, long gloves and a sheer corset with boning and contrasting cups.

Marsai Martin shimmered as she strode down the carpet in a sparkling Missoni column dress, which featured a colorful zig-zag pattern. Her amethyst eyeshadow was matched to one of the shades in her dress and her purple earrings.

There was no high ponytail or oversized bow to be seen on JoJo Siwa at the American Music Awards, as the star stepped out in a ruffled ballgown for her awards show debut. Featuring a sheer statement skirt and an off-the-shoulder detail, she wore her hair long and swept away from her face -- accessorized with a necklace that included the letters D W T S, a reference to her appearance on the show "Dancing With the Stars."

"West Side Story" star Rachel Zegler wore a romantic Carolina Herrera tiered ruffle gown on the red carpet. The dress, which featured a triangle-shaped cut out and a halter neck detail, was one of the most voluminous of the night.

Singer Becky G arrived in a purple and black Raisa Vanessa cocktail dress with power shoulders and cut-outs.