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.

Marianne Faithfull died Thursday in London at age 78. The singer, actress and "It" girl of 1960s London inspired — or wrote — numerous Rolling Stones songs.

Singer and actress Marianne Faithfull has died at the age of 78. A spokesperson for Faithfull confirmed to Fox News Digital she died peacefully in London, surrounded by loving family.