How many movies have Lydia Campbell and Tamara Tulloch collaborated on?

They have worked on 2 movies together! Their first movie together was Signed, Sealed, Delivered: The Impossible Dream (2015) while their highest rated movie together was Aurora Teagarden Mysteries: Honeymoon, Honeymurder (2021). They have not worked together since Aurora Teagarden Mysteries: Honeymoon, Honeymurder (2021).