I always have trouble figuring out what people dress up as for Halloween, especially when they make up those crazy specific costumes, like zombie George Wendt or something. But I’m pretty sure one of my new favorite Instagram models Monica Sims went as a slutty Instagram model this year. That or Christina Aguilera in her “Dirrty” video. It’s hard to tell these days. » view all 13 photos Photos: WENN.com
