How many movies have Hilary Duff and Jean Picker Firstenberg acted in together?

They have worked on 1 movie together! Their first movie together was AFI's 100 Years... 100 Songs: America's Greatest Music in the Movies (2004) and was their highest rated movie together. They have not worked together since AFI's 100 Years... 100 Songs: America's Greatest Music in the Movies (2004).