Sexy costumes have taken over adult Halloween parties in the United States. A few years ago, the New York Times published a news article that declared that scary was out at Halloween and the sexy costume was in. Since then, the popularity of Halloween has skyrocketed among adults and more women than ever are leaving their inhibitions at home and choosing revealing Halloween costumes. Outfits that would be frowned upon any other month of the year are now perfectly acceptable at the end of October. Indeed, buy the right costume and you could be a sure thing for winner of your local sexiest costume contest. In order to help you find the perfect sexy costume, we have gathered some of the sexiest and most revealing costumes here for you to choose among: