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's first hit, "As Tears Go By," was recorded when she was just 17 years old after she met with the manager of the Rolling Stones at a party.

She and Jagger began dating in 1966 and became one of the most glamorous and notorious couples of 1960s “Swinging London.”