How many movies have Hayley Westenra and Méav Ní Mhaolchatha acted in together?

They have worked on 3 movies together! Their first movie together was Celtic Woman: A New Journey (2007) while their highest rated movie together was Celtic Woman: The Greatest Journey - Essential Collection (2008). They have not worked together since Celtic Woman: Celebration (2020). They are most known for their music films together.