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.

"She will be dearly missed." In the 1960s, Faithfull became synonymous with the hedonism of rock 'n' roll thanks in part to her relationship with rock star Mick Jagger of The Rolling Stones. Her best-known song,

Marianne Faithfull, the British pop star, muse, libertine and old soul who inspired and helped write some of the Rolling Stones’ greatest songs and endured as a torch singer and survivor of the lifestyle she once embodied,