Marianne Faithfull, a singer and actress known for hits like "As Tears Go By," died Thursday, a spokesperson confirmed. She was 78. "It is with deep sadness that we announce the death of the singer, songwriter and actress Marianne Faithfull,

Marianne Faithfull, Grammy-nominated singer, actress, and one of the most prominent female voices of the British Invasion, died in London on Thursday. She was 78. The cause of death was not disclosed.

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.