Marianne Faithfull, an icon of British rock in the 1960s whose career went on to stretch seven decades, is dead at 78. Faithfull died “peacefully in London today, in the company of her loving family,” a spokesperson told the BBC.

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

Marianne Faithfull, who has died at the age of 78, was in a relationship with Rolling Stones frontman Mick Jagger for four years in the 1960s - but their romance was far from straightforward