CANNES - Johnny Hallyday and Mariah Carey, as ambassadors for Swiss brands

Many stars and VIP have been seen wearing Chopard and De Grisogono jewels.

Mariah Carey © Chopard

Isabelle Huppert, Mariah Carey, Hilary Swank, Eugenia Silva, etc, were wearing Chopard jewellery

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Johnny Hallyday  © Dominique Jacovides

Valérie Ledoyen, Johnny Hallyday, Natasha Amal, etc, were wearing De Grisogono jewellery.

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