How many movies have Anne-Cath. Vestly and Birgitte Bratseth collaborated on?

They have worked on 3 movies together! Their first movie together was Twigson (2009) while their highest rated movie together was Twigson Ties the Knot (2010). They have not worked together since Mormor og de åtte ungene (2013). They are most known for their family films together.