Many women take Halloween as an opportunity to get a little bit sexier than they normally do. Halloween is a great time to show off what you've got. There are all kinds of ways to create sexy Halloween costumes. Almost any character or costume theme has a sexy adult version, from a sexy pirate costume to a sexy nurse costume. There are also sexy adult Halloween costumes for women in plus sizes! Check out Spirit's sexy costumes, including those from Leg Avenue and Playboy, available online and in stores.