The producer has confirmed Ariana was originally lined up to appear in season 13 of American Horror Story, but she had already decided to slow down. Speaking to The Hollywood Reporter, Murphy explained he first approached Ariana after she’d finished filming the Wicked movies. “I love Ariana Grande. View this post on Instagram A post shared by Ariana Grande (@arianagrande)As plans for the tour became more demanding, Ariana realised fitting in another major TV production just wasn’t realistic. Who is busier than Ariana Grande?