How many movies have Kathleen Barr and Tiffany J. Shuttleworth collaborated on?

They have worked on 9 movies together! Their first movie together was Barbie of Swan Lake (2003) while their highest rated movie together was Polly Pocket: Polly World (2006). They have not worked together since Barbie in A Mermaid Tale (2010). They are most known for their family films together.