La Hlne Seydoux-Fornier de Clausonneisknown professionally as La Seydoux, is a Frenchactress.She first came to attention after she received her first Csar Award nomination for her performance in The Beautiful Person (2008) and won the Trophe Chopard, an award given to promising actors at the Cannes Film Festival.She began her acting career in French cinema, appearing in films such as The Last Mistress (2007) and On War (2008).