How many movies have Cindy Birdsong and Mary Wilson acted in together?

They have worked on 4 movies together! Their first movie together was Diana Ross & the Supremes - Live at the Rai Congress Center in Amsterdam (1968) while their highest rated movie together was Motown 25: Yesterday, Today, Forever (1983). They have not worked together since Motown 25: Yesterday, Today, Forever (1983). They are most known for their music films together.