How many movies have Taeyeon and Yoona acted in together?

They have worked on 20 movies together! Their first movie together was Girls' Generation - 1st Asia Tour: Into the New World (2010) while their highest rated movie together was Girls' Generation's Christmas Fairy Tale (2011). They have not worked together since 2022 Girls′ Generation Special Event - Long Lasting Love (2022). They are most known for their music films together.