15th May 1965: Jacqueline Kennedy (1929 - 1994) attends the inauguration of a memorial to her husband John F. Kennedy in Runnymede, Surrey, nearly eighteen months after his assassination. Holding her hand is her young son, John F. Kennedy Jr. (1960 - 1999). (Photo by Michael Stroud/Express/Getty Images)

15th May 1965:  Jacqueline Kennedy (1929 - 1994) attends the inauguration of a memorial to her husband John F. Kennedy in Runnymede, Surrey, nearly eighteen months after his assassination. Holding her hand is her young son, John F. Kennedy Jr. (1960 - 1999).  (Photo by Michael Stroud/Express/Getty Images)

England, December 1966, British model Twiggy poses for the camera (Photo by Popperfoto/Getty Images)

England, December 1966, British model Twiggy poses for the camera  (Photo by Popperfoto/Getty Images)

Actress Audrey Hepburn (1929 - 1993), circa 1955. (Photo by Phil Burchman/Hulton Archive/Getty Images)

Actress Audrey Hepburn (1929 - 1993), circa 1955. (Photo by Phil Burchman/Hulton Archive/Getty Images)

English actress Jane Birkin posed on the set of the television drama series 'Armchair Theatre - Poor Cherry' in 1967. (Photo by Popperfoto/Getty Images)

English actress Jane Birkin posed on the set of the television drama series 'Armchair Theatre - Poor Cherry' in 1967. (Photo by Popperfoto/Getty Images)

Portrait de Catherine Deneuve, circa 1960, en France . (Photo by REPORTERS ASSOCIES/Gamma-Rapho via Getty Images)

Portrait de Catherine Deneuve, circa 1960, en France . (Photo by REPORTERS ASSOCIES/Gamma-Rapho via Getty Images)