Watch : ‘American Horror Story’ Creator Ryan Murphy Reacts to Ariana Grande's Season 13 ExitRyan Murphy is leaving the door to the haunted house open for this scream queen. Indeed, the American Horror Story creator has no hard feelings over Ariana Grande’s exit from season 13 of the long-running anthology series. Looking back at their time working together on Scream Queens, Murphy, 60, was eager to collaborate with Grande again. “Ariana is a big fan of horror,” he shared. “She’s obviously done homages of that in her work; she did Scream Queens for me and loved the experience, and people love her in that show.