How many movies have Andrea Libman and John Grusd collaborated on?

They have worked on 3 movies together! Their first movie together was My Little Pony: The Princess Promenade (2006) while their highest rated movie together was My Little Pony: A Very Pony Place (2007). They have not worked together since My Little Pony: A Very Pony Place (2007). They are most known for their animation films together.