So you want to be on top (of all the bodies of your friends who a psycho serial killer just brutally murdered)? Then you might be the perfect candidate to dress up as one of Hollywood's iconic horror movie heroines. Blood-soaked tank tops? Revealing cleavage? A phone full of threatening text messages? Those are just some of the things you'll need to nail the outfits of Sidney Prescott, Ellen Ripley, and more.