Seigner is a César Award nominated French actress and former fashion model, best known as the wife of Academy Award winning director Roman Polanski, and for her roles in two notable French films, La Vie En Rose and The Diving Bell and the Butterfly.

Seigner was born in Paris, France to a photographer father and a journalist mother.[1] She is the granddaughter of the respected French actor Louis Seigner (1903-1991) and sister of the actress Mathilde Seigner. She was educated at a Catholic convent school, and began modelling at the age of fourteen. Capitalizing on her beauty she achieved international status as a professional model. She married the Polish film director Roman Polanski in 1989. They have two children, Morgane and Elvis. He directed her in Frantic, opposite Harrison Fordand later in Bitter Moon, as well as The Ninth Gate co-starring Johnny Depp

Seigner appears as the main character in the music video "Hands Around my Throat" by Death In Vegas. In 2006, she became lead singer of the French band Ultra Orange, and the group's name was changed to Ultra Orange & Emmanuelle.