Roberto ‘I Am The Party’ Cavalli opened his first boutique at 67 Boulevard de La Croisette during Cannes Film Festival yesterday, and he threw a lavish cocktail party on the beach followed by a dinner party on his yacht to celebrate.

For the cocktail party the celebs opted to wear cocktail dresses.

Bar Refaeli and Rosario Dawson opted for sexy embellished Cavalli minis with nude pumps, whilst Elisabetta Canalis wore an asymmetrical Cavalli LBD with a sheer embellished top.

For the boat party the stars opted for long flowing gowns.

Brooke Shields wore a black Cavalli gown with a vibrant floral print which has been worn before by Solange Knowles.

Alessandra Ambrosio glowed in a creamy lace-up gown from Cavalli’s Spring 2011 collection

Sonam Kapoor wore a nude embellished draped Cavalli gown which Heidi Klum wore last year.

Credit: Courtesy of Roberto Cavalli