How many movies have Leo Ku and Stephy Tang Lai-Yan acted in together?

They have worked on 3 movies together! Their first movie together was Love @ First Note (2006) while their highest rated movie together was 雷颂德THANK YOU演唱会 (2013). They have not worked together since 雷颂德THANK YOU演唱会 (2013). They are most known for their music films together.