How many movies have Luc Besson and Marylin Fitoussi collaborated on?

They have worked on 5 movies together! Their first movie together was Colombiana (2011) while their highest rated movie together was Valerian and the City of a Thousand Planets (2017). They have not worked together since Valerian and the City of a Thousand Planets (2017). They are most known for their action films together.