The Cannes Film Festival kicked off today, and the stars attended the opening ceremony in their finest couture.
However, perhaps the most discussed gown belonged to Lupita Nyong'o, who dazzled in a custom emerald green embroidered gown by Gucci.
"It's #GrasshopperGreen for @festivaldecannes opening night. Thank you @Chopard @Gucci and Uganda's women for the hair inspiration. #NseneneSeason #cannes2015," she wrote on Instagram.
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Here are a few other of the most stunning looks from the red carpet.