The 37-year-old actress walked the red carpet wearing designer Elie Saab, for the premiere of Woody Allen's Midnight in Paris.
Rai Bachchan wore a white, embroidered, one-shouldered outfit from the Lebanese designer, accessorised with a Jimmy Choo clutch.
The Hindi film celebrity made her first appearance in 2002 wearing a vibrant yellow saree and gold jewellery. After wearing traditional Indian dress for her first two appearances, Rai Bachchan has chosen to be dressed by more international Western designers.
She made the red carpet appearance as brand ambassador for L'Oreal Paris. Sonam Kapoor and Freida Pinto are also scheduled to attend the festival to promote the cosmetics company.
Rai Bachchan revealed to DS at the London premiere of Ravaan that she had decided to wear Sabyasachi on the red carpet as he had designed the costumes for the film.
Rani Mukherjee is expected to walk the red carpet at Cannes on May 18 styled by the Indian designer.
Watch the trailer for Midnight in Paris below: