How many movies have LULU Huang and 蔡易展 acted in together?

They have worked on 3 movies together! Their first movie together was 第14届KKBOX风云榜 (2019) and was their highest rated movie together. They have not worked together since 第17屆KKBOX音樂風雲榜 (2022). They are most known for their music films together.