How many movies have Cher Yeung Suet-Yee and Eric Tsang Chi-Wai acted in together?

They have worked on 3 movies together! Their first movie together was Double Trouble (1984) while their highest rated movie together was Twinkle, Twinkle, Lucky Stars (1985). They have not worked together since Intimates (1997). They are most known for their comedy films together.