Plunging necklines and lengthy trains were trending at the Cannes Film Festival over the weekend, with chiffon, sequins and beading on the red carpet.

Araya Hargate

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Actress Araya Hargate went all out on the red carpet in a frothy, voluminous yellow gown by Giambattista Valli.

Arizona Muse

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Supermodel Arizona Muse stunned in a delicate, nude-colored Dior gown and a striking necklace and earring set by Chopard.

Izabel Goulart

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Brazilian model Izabel Goulart opted for a Zuhair Murad ensemble featuring shorts and an impressive train.

Diane Kruger

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Diane Kruger kept her cool in a custom ice blue chiffon dress from Giorgio Armani Privé.

Isabelle Huppert

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Isabelle Huppert dazzled in a black sequined tux-inspired dress.

Elsa Hosk

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Swedish model Elsa Hosk stole the show in a pink strapless creation by Alberta Ferretti.

Aishwarya Rai Bachchan

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Indian actress and model Aishwarya Rai Bachchan's vibrant gown came complete with an elaborate wing-shaped train.

Hailey Baldwin

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Model Hailey Baldwin shimmied down the red carpet in beaded Roberto Cavalli.