This content is copyright of CelebMix.com. The acclaimed anthology series American Horror Story is officially rolling into its 13th season with a high-voltage cast reveal. Shared on Halloween via a video post from creator Ryan Murphy, the announcement confirmed Ariana Grande-making her first appearance in the franchise-alongside returning stalwarts including Jessica Lange, Sarah Paulson, Evan Peters, Angela Bassett, Kathy Bates, Emma Roberts, Billie Lourd, Gabourey Sidibe and Leslie Grossman.