Sir Mick Jagger has expressed his sorrow over the passing of his former girlfriend Marianne Faithfull, who died at 78 as announced on Thursday night. The Rolling Stones frontman and the late singer were once the golden couple of the British music scene in the 1960s,

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"