A couple of years ago my friends and I needed a second costume idea, so we went for Clue. My friend just happened to already own a maid costume (what?) and for Ms. Peacock and Ms. Scarlet we wore blue and red. Add a couple of fascinators and some weapons (Who just has a lead pipe laying around? We do.) and you're good to go!
P.S. Nooses can get dangerous on the dance floor, especially since we tied them correctly thanks to our Internet research.

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