Dubbing voices on film started as soon as the talkies came along. Stars who had been huge in silent films sometimes turned out to have poor voices for recording. The film Singing in the Rain was based on this. In later years this was the fate of Marni Nixon. Her voice has often been heard coming from the mouths of various stars. She sang for Audrey Hepburn in My Fair Lady and Deborah Kerr in The King and I. She sang the top notes for Marilyn Monroe’s Diamonds Are a Girl’s Best Friend in Gentlemen Prefer Blondes. And she was the voice of Maria/Natalie Wood in West Side Story.

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