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.