The âGraveyardâ singer and âAmerican Horror Storyâ alum confirmed their romance over the Halloweekend with not one but two coordinating costumes after weeks of speculation that they were more than friends. The duo hit the red carpet for the 100th episode celebration of âAmerican Horror Storyâ on Saturday night â Peters stands as the actor to appear in the most episodes across the seriesâ run â dressed as another famous couple, Sonny Bono and Cher.