Ashlee Simpson and husband Evan Ross attend Dior and Vogue Paris dinner at Cannes Film Festival

She is the American singer and actress whose life played out on reality TV in the 2000s. But on Wednesday, Ashlee Simpson looked effortlessly elegant at a star-studded dinner hosted by Dior and Vogue Paris at Fred L'Ecailler, during the Cannes Film Festival. Elegant: Ashlee Simpson looked effortlessly elegant at a star-studded dinner hosted by Dior and Vogue Paris at Fred L'Ecailler, during the Cannes Film Festival Her waist was cinched with a black Dior belt and her height elevated with a pair of classic black heels. Dazzling in designer: The 34-year-old singer looked simply chic for the stylish affair, wearing a black figure-hugging bodysuit with a sheer, pleated skirt with butterfly appliques Covered up: Her waist was cinched with a black Dior belt and her height elevated with a pair of classic black heels, she later layered her look with a teal coat Fashionable pair: Alongside the Pieces Of Me hit-maker was her second husband Evan Ross, the son of singer Diana Ross The 30-year-old actor cut a dapper figure in a well-tailored grey suit with a black shirt and bow tie. Three's a charm: Ashlee and Evan also posed for a photo with model Bella Hadid who was also at the fashion event Stunning: The model flaunted her sensational figure in a sheer off-the-shoulder top that showcased her toned torso, she teamed it with a chic pleated skirt All that sparkles: Also at the event was model Eva Herzigova who opted to go braless in a black frock with a sheer top and a sequined skirt Also at the event was model Eva Herzigova who opted to go braless in a black frock with a sheer top and a sequined skirt.