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

Faithfull was first discovered at a London party by Rolling Stones manager Andrew Loog Oldham, who introduced her to Jagger and Richards. Faithfull's rendition of "As Tears Go By"

The legendary singer-songwriter Marianne Faithfull died Thursday at the age of 78 at her home in London. Dubbed one of the best singers of all time, Rolling Stone described Faithfull as an artist “who transcended ‘it girl’ status in the Sixties with a stunning second act as a singer-songwriter of earned hard wisdom.”