Léa Seydoux (born Léa Hélène Seydoux-Fornier de Clausonne; 1 July 1985) is a French actress. She began her acting career in French cinema, appearing in films such as The Last Mistress (2007) and On War (2008). She first came to attention after she won the Trophée Chopard Award for Female Revelation of the Year at the 2009 Cannes Film Festival and was nominated for the César Award for Most Promising Actress for her performance in The Beautiful Person (2008).