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If you're looking for the Halloween 2018 costume idea that friends and family will wish they thought of, you've come to the right place! Choose from hundreds of lively adult Halloween costumes that range from throwback classics and comic book heroes to trendy video game characters and hilarious costumes that will leave the rest of the partygoers laughing all night. There's something for every costume lover here at The Costume King. Try a silly piggyback costume that has you bringing an instant "friend" along for the celebration. For intimate get-togethers, there are sexy adult costumes for both men and women, including traditional nurses, male dancers, and a host of spicy spooks. Some of our more unique 2018 Halloween costumes consist of dozens of dynamic men's suits, fabulous fantasy-inspired female costumes, and a collection of couples costume ideas you can share with a loved one or partner. Best of all, many of our selections are available in multiple sizes, from petite to plus size costumes, so you can be certain to find an ideal fit both physically and for your design tastes. Whatever you decide to do this year, let The Costume King help you rule the party! Go basic with solid color leotards and dresses. Think outside the Halloween box with a Christmas costume. Or pump up the gathering with an incredible inflatable costume. You'll find the ideal Halloween costume inspiration right here!