How many movies have Robert Winthrop and Simon Mattacks collaborated on?

They have worked on 6 movies together! Their first movie together was Angelina Ballerina: Pop Star Girls (2011) while their highest rated movie together was Angelina Ballerina: Sweet Valentine (2012). They have not worked together since Angelina Ballerina: Twirling Tales (2013). They are most known for their family films together.