Jane Birkin and Serge Gainsbourg enjoyed a passionate and creative relationship after meeting on the set of Slogan in 1968. Although rumors and misreporting suggested they were married, their relationship actually lasted for thirteen years without the two tying the knot.

h/t: vintag.es

Charlotte Gainsbourg, an actress and singer, was born to them in 1971. They ended their relationship in 1980.

French photographer Francis Giacobetti’s controversial and creative portraits of Jane Birkin and Serge Gainsbourg were captured for Lui magazine in December 1974. Similarly, Australian-German photographer Helmut Newton produced his own set of portraits in 1978.