The Most Devastatingly Gorgeous Celebrity Beauty Looks at Cannes

A two-tone bronze and maroon smoky eye like Joan's at the premiere of Youth is a stunning look for brown-eyed girls to try.

Dramatic contouring and a velvety red lip look best when paired with a low-maintenance hairstyle, like Karlie's look here at the Youth premiere.

Lush, voluminous waves and a smoky eye were all Izabel needed to up the glam factor at the Youth premiere.

Miriam demonstrated the power of a cropped coif and bold red lip at the premiere of Youth.

At the premiere of Youth, Barbara turned her head to show off a more modern take on the french twist.

At the premiere of Mia Madre, Kasia wore her hair in a braided updo that would make a pretty wedding-guest hairstyle — weave in some flowers for extra oomph.

At the photocall for Carol, Rooney tested out a subtle take on the half-up bun.

At the premiere of Youth, Petra revealed an edgy undercut fishtail braid.

At the premiere of Carol, Sienna made a center part exciting with two french braids on either side, boosting the drama even more with a deep bordeaux lip.

Her hair was arranged in an intricate updo with twists and tucks.

At the premiere of The Sea of Trees, Li kept her face makeup soft, opting to wow with thick, fluttery lashes and a matte coral lip.

Li's towering bun at The Sea of Trees' premiere looked positively regal.

At the premiere of Amy, Emeli accented her cropped curls with a delicate gilded headpiece.

The stunning Aishwarya matched her makeup to her gown at the premiere of Carol, using a bold teal pencil on her lower lash line.

Lindsay's unusual low ponytail at the premiere of Carol would make a stunning style to try for date night.

At the premiere of Carol, Lindsay accented her green eyes with shadows in the same hue, working from seafoam to olive to create an ombré effect.

Salma attended the premiere of Carol with fresh bursts of fuchsia on her lips and cheeks, accenting her décolletage with a subtle dusting of highlighter.

Natasha brought the va-va-voom with sculpted retro waves and a bold red pout at the premiere of The Sea of Trees.

Diane was giving us Princess Bride vibes with her loose, dreamy waves at The Sea of Trees' premiere.

Emma's tousled, tucked hairstyle at the photocall for Irrational Man looked especially fresh with her subtle rosy makeup.

Natalie paired a pop of blue shadow with a simple nude lip at the premiere of A Tale of Love and Darkness.