Marianne Faithfull, the songstress who helped spur music's British invasion and was a muse to the Rolling Stones, died Thursday at 78.

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

Singer and actress Marianne Faithfull, who collaborated with everyone from Metallica to Jean-Luc Goddard and famously dated Mick Jagger during the late 1960s, has died. She was 78. Faithfull is best known for her rendition of the Rolling Stones' “As Tears Go By,