Outside of her home country, she is best known for her controversial role in Catherine Breillat's 1999 film Romance, a role for which she was awarded the 2000 Étoile d’or de la révélation féminine (Gold Star) by l’Académie de la presse du cinéma français. Ducey was nominated for the Prix Michel Simon film prize for Best Actress in Familles je vous hais (1997). In 2000, she was a member of the jury at the 22nd Moscow International Film Festival.