How many movies have Amity Petralba and Catherine Mallette collaborated on?

They have worked on 6 movies together! Their first movie together was Signed, Sealed, Delivered: Higher Ground (2017) while their highest rated movie together was Ruby Herring Mysteries: Silent Witness (2019). They have not worked together since A Cinderella Story: Christmas Wish (2019). They are most known for their tv movie films together.