Katy Perry Relationship Romance Crashes Out Katy Perry’s relationship with her new boyfriend turned out to be the rest of the corn. As reported by Digital Spy, the singer of this song Firework reportedly has terminated its relationship with Robert Ackroyd. Really?. One source told Us Weekly that Katy forged relationships with Florence + the Machine guitarist is really not serious. Because of busy each, they both chose to end the relationship. “This news is not as serious as one might imagine. It’s not a bad thing, and until now they still talk to each other, but Katy was asked to do this and they were soon talking about this,” said one source.