Spencer Tracy and Katharine Hepburn From 1942's "Woman of the Year" to 1967's "Guess Who's Coming to Dinner," Tracy and Hepburn proved to be one of the most durable on-screen -- and off-screen -- teams. During their 25-year movie partnership, they were perfect comedic foils in such films as "Woman of the Year," "Adam's Rib," "Pat and Mike" and "Desk Set," and excelled in heavily dramatic fare like "Keeper of the Flame." And in all of these years together off-camera, the two never married. The hard-drinking Tracy was a devout Catholic, so divorce was out of the question. Tracy died soon after he completed "Guess Who's Coming to Dinner," for which they both received Oscar nominations. Hepburn won.
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