How many movies have Andy Lau Tak-Wah and Pauline Wong Siu-Fung acted in together?

They have worked on 5 movies together! Their first movie together was Twinkle, Twinkle, Lucky Stars (1985) while their highest rated movie together was Last Eunuch In China (1987). They have not worked together since Last Eunuch In China (1987). They are most known for their action films together.