Okay, Patti LuPone has great taste in TV, but is she on Team Greg or Team Josh? E! Online reports that the Broadway legend has signed on for a guest appearance in the tenth episode of this season of Crazy Ex-Girlfriend. LuPone will stop by to play “a pivotal person from Rebecca’s past that she rediscovers when she returns to her hometown for a family celebration.” Could she be Rebecca’s former drama teacher? One of her Westchester relatives? Maybe even a Baker’s wife? Whatever happens, we demand a Patti duet with Tovah Feldshuh.