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The British actress Audrey Hepburn and the American actor William Holden acting in the film 'Paris - When It Sizzles' by Richard Quine. 1964 (Photo by Pierluigi Praturlon/Reporters Associati & Archivi/Mondadori Portfolio via Getty Images)

The British actress Audrey Hepburn and the American actor William Holden acting in the film 'Paris - When It Sizzles' by Richard Quine. 1964 (Photo by Pierluigi Praturlon/Reporters Associati & Archivi/Mondadori Portfolio via Getty Images)