Grace Kelly on the set of High Society, 1956.

Audrey Hepburn on the set of Breakfast at Tiffany’s, 1961

Grace Kelly on the set of The Swan, 1955

Grace Kelly on the set of High Society, 1955

Grace Kelly on the set of The Swan, 1955

Audrey Hepburn on the set of Sabrina, 1954

Audrey Hepburn on the set of Roman Holiday, 1953

Grace Kelly on the set of High Society, 1956

Audrey Hepburn on the set of Sabrina, 1954

Audrey Hepburn photographed by Terry O’Neill on the set of Two for the Road, 1967.