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They Wore What?! Major Star Movie Costumes

It's not Halloween for these celebs, who've dressed up as pregnant prostitutes, electrified villains and '70s stunners for their upcoming roles

NICOLE KIDMAN

Movie: Grace of Monaco
We admit to being suckers for any movie in which the main character gets to wear diamonds, fancy gowns and elegant long white gloves that pinch her elbows. Lucky Nicole! She plays Grace Kelly, the Hollywood actress-turned-princess-turned-fashion icon, in Grace of Monaco, a film that centers on the royal's trials and tribulations.