How many movies have Neri Parenti and Sonia Viviani collaborated on?

They have worked on 5 movies together! Their first movie together was John Travolto: The Face with Two Left Feet (1979) while their highest rated movie together was My House My House... (1988). They have not worked together since Vacanze di Natale a Cortina (2011). They are most known for their comedy films together.