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Winnie Harlow wears a Ralph & Russo to the premiere of "Oh Mercy! (Roubaix, Une Lumiere)."
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Rather than wearing a gown, Lea Seydoux wore custom Louis Vuitton trousers and and an embellished bodysuit.
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In a truly unexpected turn, Marion Cotillard wore a crop top and shorts, topped with a distressed denim kimono from Balmain.
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Ahead of the "Once Upon a Time... in Hollywood" screening, British model Leomie Anderson strikes a pose in a mirror-embellished Rami Kadi gown.
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Elle Fanning's takes a retro turn in Dior. The tulle skirt and silk organza shirt took 450 hours to create, the brand revealed on
Instagram.
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Margot Robbie, who plays Sharon Tate in the film, catches the spotlight in a sequined tunic and matching trousers -- both Chanel couture.
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Aishwarya Rai wore a cloud-like custom gown from Ashi Studio to the screening of "La Belle Epoque."
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Russian model Natalia Vodianova wore bejeweled Versace on the red carpet.
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Marion Cotillard (flanked by French actors Jean Dujardin and Gilles Lellouche) wears a halterneck crop top and matching floor-length skirt.
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Newlyweds Priyanka Chopra (wearing a strapless Georges Hobeika gown) and Nick Jonas attend the screening of "Les Plus Belles Annees D'Une Vie."
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Helen Mirren, wearing Elie Saab, shows off bubblegum pink hair on the red carpet.
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Penelope Cruz wears gown from Karl Lagerfeld's last Chanel couture collection to the screening of "Pain and Glory."
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Model Liya Kebede wears Valentino.
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Singer Madison Beer gets a hand with her Georges Hobeika gown.
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Bollywood star Deepika Padukone wears a statement-making custom gown from Dundas.
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Priyanka Chopra's sequined Roberto Cavalli glitters along the red carpet.
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Amber Heard wears a sequined dress, accessorized with a wide leather belt and Chopard jewelry, to the screening of "Les Miserables" on day two of Cannes Film Festival.
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Actress Sririta Jensen wears a Michael Cinco confection.
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Former Girl's Generation member Jessica Jung wears a billowing ball gown designed by Rami Kadi to the opening ceremony and screening of "The Dead Don't Die."
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Twenty-one-year-old Elle Fanning -- who is now the youngest ever Cannes jury member -- looks triumphant in Gucci.
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French actress Frederique Bel's diaphanous cape made for a dramatic red carpet moment.
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Selena Gomez wears a Louis Vuitton skirt and bustier, accessorized with Bulgari diamonds.
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Brazilian model Alessandra Ambrosio wore British couturiers Ralph & Russo.
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Eva Longoria shows off the thigh-high slit of her custom Alberta Ferretti gown.
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Julianne Moore wears emerald green Dior and matching Chopard earrings.
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Tilda Swinton looked otherworldly in a floor-length silver gown.
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German model Barbara Meier poses in a Ziad Nakad dress.
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Bella Hadid dons a sheer tulle number by Dior to the screening of "Rocketman" on the third day of the Cannes Film Festival.
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Victoria's Secret model Romee Strijd wears a white lace Etro gown.