I need help!

I’m going to a Halloween party this Wednesday (woot), but it’s a dress up and I’ve never done that before, so I need your help for costumes!

The girls (aka Becca and Nicole) vote Wednesday Addams with my big sister, I’ve got my other friends offering up either witch or slut and I’m tempted to go as Black Widow, exempt I don’t have a black leather playsuit.

Help? :)