Born in 1964, in Turin. She trained as an actress with director Patrice Chéreau and attended the Drama School in Nanterre. She made a name for herself when she played the lead in the drama Les Gens Normaux n'ont rien d'exceptionnel / Normal People Are Nothing Exceptional (1993), for which she won a César and a Bronze Leopard. Further international recognition, a Bronze Leopard at the Locarno IFF in 1996 - brought her the role in the film Nénette and Boni. She also appeared in the films by Noémie Lvovsky, who collaborated with her on the screenplay for It is Easier for a Camel (2003).