How many movies have Candy Lo Hau-Yam and Charlene Choi Cheuk-Yin acted in together?

They have worked on 6 movies together! Their first movie together was What Is A Good Teacher (2000) while their highest rated movie together was Concert YY - Showcase Of Wyman Wong (2012). They have not worked together since 77 Heartwarmings (2021). They are most known for their romance films together.