How many movies have Gianni Costantino and Luca Bitterlin collaborated on?

They have worked on 3 movies together! Their first movie together was E allora mambo! (1999) while their highest rated movie together was Anche se è amore non si vede (2011). They have not worked together since Anche se è amore non si vede (2011). They are most known for their comedy films together.