How many movies have Heather McGowan and Tiffany Mak collaborated on?

They have worked on 9 movies together! Their first movie together was Signed, Sealed, Delivered: The Road Less Traveled (2018) while their highest rated movie together was To All the Boys I've Loved Before (2018). They have not worked together since Hypnotic (2021). They are most known for their romance films together.