Diane Keaton is well known these days for her quirkier roles. However, she did co-star in one of the most famous mob films ever made in 1972 opposite which iconic actor?

Keaton co-starred in "The Godfather" with Al Pacino. The two began an off-screen hookup that was one of the "least kept" Hollywood secrets.

Asked by Jennifer Sinclair · Last updated 5 years ago · 29.9K views · SOURCE