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As Mean Girls's Cady Heron once said, "In Girl World, Halloween is the one day a year when a girl can dress up like a total slut and no other girls can say anything else about it." And she was right. The holiday is all about creativity, personal style, and dressing to impress. If you want to leave little to the imagination this year, we're here to help you do just that. Dressing up in a sexy Halloween costume is thrilling, chilling, and totally acceptable, so embrace it! From a sinfully alluring Lola Bunny costume to a black-cat outfit that's sure to stop onlookers in their tracks, these ideas are so hot, they'll turn up the heat — even on a chilly October night. Check out the sexiest costumes of 2021, and get ready to make this year the hottest yet.
— Additional reporting by Lauren Harano
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