Last week, Ryan Murphy announced that the next installment of American Horror Story would be a crossover of season 1’s “Murder House” and season 3’s “Coven.” Sarah Paulson, Evan Peters, and Kathy Bates are all set to return and now it seems that Emma Roberts will be reprising her role as Madison Montgomery from “Coven.” Roberts posted a short video on Instagram during Murphy’s latest series Pose saying, “Surprise bitch, bet you thought you’d seen the last of me.” Based on…