With his square-jawed good looks, smoldering blue eyes, and well-groomed goatee, Leonardo DiCaprio, 32 (star of the upcoming Blood Diamond), could easily pass for Grey's Anatomy's "McSteamy," Eric Dane, 34.

Photos by SIPA; iPHOTO

With her oversized sunglasses and dark hair pulled back, Catherine Zeta-Jones, 37 (married to Michael Douglas), looks just like Katie Holmes, 27, who’s about to wed a Hollywood icon herself.

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Singer Alicia Keys, 26, has more in common with Jessica Alba, 25, than dangly earrings and updos — she’s costarring in The Nanny Diaries with Alba’s Fantastic Four costar Chris Evans, 25.

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With her arched eye-brows, full lips and wavy brunette hair, former America’s Next Top Model judge Janice Dickinson looks like a dead ringer for Desperate Housewives star Teri Hatcher, 41.

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