Sixties icon Marianne Faithfull dies aged 78

British singer and actor Marianne Faithfull, best known for her hit song "As Tears Go By", has died at the age of 78, a spokesperson said on Thursday.

The singer got her first break in 1964, after being discovered by Rolling Stones manager Andrew Loog Oldham.

Her first hit "As Tears Go By" written by Mick Jagger and Keith Richards, was followed with a string of successful singles, including "Come And Stay with Me", "This Little Bird and "Summer Nights".

She also acted in films including "The Girls on a Motorcycle" and theatre productions and was known for her tempestuous relationship with Stones frontman Jagger.

"It is with deep sadness that we announce the death of the singer, songwriter and actress Marianne Faithfull," a statement sent to AFP said.

"Marianne passed away peacefully in London today, in the company of her loving family. She will be dearly missed."