Marianne Faithfull, the British singer and actress who achieved fame in the 1960s with her chart-topping single "As Tears Go By," has died at 78, a spokesperson said Thursday.

The singer and actress, who embodied the Swinging Sixties and performed for decades afterward, exuded an effortless cool.

SIR Mick Jagger has paid an emotional tribute to his “beautiful” ex Marianne Faithfull after the singer and actress died aged 78. The Rolling Stones legend said he was