How many movies have Jane Birkin and Princess Erika acted in together?

They have worked on 3 movies together! Their first movie together was Les Enfoirés 1996 - La Soirée des Enfoirés (1996) while their highest rated movie together was Les Enfoirés - Les Enfoirés en chœur de 1985 à aujourd'hui (2014). They have not worked together since Les Enfoirés - Les Enfoirés en chœur de 1985 à aujourd'hui (2014). They are most known for their music films together.