How many movies have Fiona Sit Hoi-Kei and Sandra Ng Kwan-Yue acted in together?

They have worked on 6 movies together! Their first movie together was Simply Actors (2007) while their highest rated movie together was Concert YY - Showcase Of Wyman Wong (2012). They have not worked together since 12 Golden Ducks (2015). They are most known for their comedy films together.