Ryan Murphy has listened to American Horror Story fans and is bringing back some OG favorites - and another major star is joining the cast. The TV mogul, 59, celebrated Halloween with a huge AHS announcement via Instagram, revealing that Jessica Lange, Sarah Paulson, Evan Peters, Angela Bassett, Kathy Bates, Emma Roberts, Billie Lourd, Gabourey Sidibe and Leslie Grossman would be back for the show's milestone 13th season. Murphy's announcement also revealed that Ariana Grande would be joining the show's cast as well.