How many movies have Polina Skachkova and Zhanna Bolotova collaborated on?

They have worked on 4 movies together! Their first movie together was If You Want To Be Happy (1974) while their highest rated movie together was Iz zhizni otdykhayushchikh (1981). They have not worked together since And Life, and Tears and Love (1984). They are most known for their drama films together.