How many movies have Christian Hecq and Michèle Abbé-Vannier collaborated on?

They have worked on 3 movies together! Their first movie together was Belphegor, Phantom of the Louvre (2001) while their highest rated movie together was Avenue Montaigne (2006). They have not worked together since It Happened in Saint-Tropez (2013). They are most known for their drama films together.