How many movies have Johnnie Kong Yeuk-Shing and Maggie Cheung Man-Yuk collaborated on?

They have worked on 6 movies together! Their first movie together was Happy Ghost III (1986) while their highest rated movie together was In the Mood for Love (2000). They have not worked together since 東邪西毒終極版 (2009). They are most known for their drama films together.