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Last week Rihanna made her debut at Cannes Film Festival—and such occasion calls for couture, naturally. That’s where being an ambassadress for Christian Dior comes in rather handy. Watch below as the Dior atelier creates a one-of-a-kind gown and matching coat for everyone’s favorite bad gal.

From sketch to molding, Dior takes us through all the important details of creating this custom gown inspired by the house’s archives. The final product? Rihanna looking like red carpet royalty.

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This article originally appeared on Harper’s BAZAAR US