Singer, actress and 1960s icon Marianne Faithfull has died at the age of 78. As a singer, Faithfull was best known for her 1964 debut single “As Tears Go By,” and her acclaimed 1979 album, “Broken English.

The singer and actress, who embodied the Swinging Sixties and performed for decades afterward, exuded an effortless cool.

Faithfull played herself in Jean-Luc Godard’s 1966 movie “Made in U.S.A.,” starring Anna Karina, and made her debut onstage co-starring in Chekhov’s “Three Sisters” with Glenda Jackson. She starred alongside Alain Delon in the 1968 film “The Girl on a Motorcycle,” and worked with other heavy hitters including Orson Welles and Oliver Reed.