Earning the title of Cannes' youngest jury member ever, 21-year-old Elle Fanning was the woman of the hour. Her floral-embellished, cape-clad Gucci gown made her the belle of the ball.

The Brazilian model must have gotten the memo about this year's wispy, wind-blown motif because she walked onto the red carpet fluttering her white Ralph & Russo gown like it was a set of wings.

Selena Gomez was dripping in Bulgari diamonds for her Cannes Film Festival debut. She wore a silky Louis Vuitton quilted skirt and matching bustier, and her makeup — a red lip and strong cat eye — is worth noting, too.

It was all about high leg slits at the The Dead Don't Die premiere and Eva Longoria's soft-pink, off-the-shoulder Alberta Ferretti gown featured the highest of all.

Julianne Moore can absolutely wear this emerald-green hue to every red carpet ever and yet it will never get old. This time, she opted for an off-the-shoulder Dior number and Chopard earrings.

Chloë Sevigny made one of the boldest fashion statements, as per usual, with a strapless black gown that featured a peak-a-boo pink bralette and scarf, a Mugler design.

The juror's second day in Cannes was perhaps even better than her first. Her ethereal, floral gown by Valentino nearly took up the entire red carpet.

Bella Hadid arrived at the premiere for Rocketman in a sheer white ballgown made of pleated tiered tulle, courtesy of Dior Haute Couture.

Woodley redefined tuxedo with this suit-inspired Dior dress (complete with necktie and all).

Thurs. marked Priyanka Chopra's first Cannes Film Festival red carpet debut ever and she did it big with a glittery strapless gown made for her by Roberto Cavalli.

While everyone else took the opportunity to wear massive ballgowns, Sampaio went left-field with a silver pantsuit by Rami Kadi.

Moore's second look adhered to this year's unofficial sequin trend. Her silver Givenchy gown featured a pretty pale-pink cape and she wore it with dazzling bauble earrings.

Curz made her grand Cannes entrance in a custom Chanel white-and-blue lace gown during Fri.'s Pain and Glory premiere.

This Indian actor turned up in the most show-stopping sea of neon-green tulle. Giambattista Valli was responsible for this memorable look.

Bella Hadid threw it back to her iconic red Cannes dress from 2016 (you know, the one with the leg slit?) in this fiery custom Roberto Cavalli number.

Fellow model Ambrosio also opted for an all-red number. Her dramatic cape-clad gown (featuring a major leg slit) is by Julien Macdonald.

Heard was pure glam in a whimsical glitter gown by Claes Iverson adorned with a leather statement belt.

Robbie finally made her Cannes red carpet debut in a sequined babydoll dress and pants by Chanel.

King channeled her inner Disney princess with this sprawling coral Zac Posen gown.

Chopra was pure romance at the premiere of Les Plus Belles Annees D’Une Vie in tiered ivory tulle, courtesy of Georges Hobeika.

Helen Mirren took monochromatic seriously, matching her rose gold hair to her off-the-shoulder sequin gown by Elie Saab.

For this model's first Cannes look of the year, she opted for a fiery red ruffle dress and matching veil.

Sampaio traded her metallic suit for the dreamiest Georges Hobeika gown and Vintage Boucheron jewelry.

Sevigny ditched the concept of a gown altogether and chose a hot-pink Miu Miu cocktail dress with an oversized bow instead.

The queen of them all struck again in a black-and-white Dior Haute Couture number. Her organza blouse and tulle skirt showed the red carpet what French girl fashion is all about.

Oh Mercy! was more than just the name of the movie, thanks to this crocodile-print, sheer-paneled gown by Ralph & Russo.

Her younger sister might have been the woman of the hour, but Dakota Fanning got her 15 minutes to shine in this Giorgio Armani Privé gown at the premiere of Once Upon a Time in Hollywood.