Prince Rainier and Grace Kelly conduct a prize drawing at the 1956 Imperial Ball in New York City

At the "Imperial Ball - A Night in Monte Carlo," Prince Rainier spins the handle of a hopper and his fiancee Grace Kelly opens it to remove the winner of a prize; the prize, a Chrysler Imperial car, stands behind them as she hands the piece of paper she drew to an emcee and he reads from it / Rainier spins the hopper again / tilt down WS couples dance on ballroom floor, which is bordered on both sides by long banquet tables / tilt down WS lights twinkle on stage curtain in background as couples dance on floor below and other attendees sit at banquet tables / high shot the ballroom, with garland decorations hanging from ceiling and lights twinkling on stage in background as couples dance and others sit at tables / WS garland decoration hangs from ceiling as couples dance below