Luke Bryan enjoys a close and often hilarious relationship with his American Idol co-judges Lionel Richie and Katy Perry.MORE: Luke Bryan's five children and their mothers – and the heartfelt story behind his family unitIn a new interview with Good Morning America, the country superstar opened up about his relationship with Katy in the run-up to her Las Vegas residency and how that extended to her fiancé Orlando Bloom.WATCH: Chayce Beckham wins American Idol 2021"Anything Katy does, she sends stuff to create more anxiety," he said to the amusement of GMA hosts Robin Roberts and George Stephanopoulos, who could be heard laughing in the background."She's like 'Wow. Big stage, be ready','Wow, get ready for the dry air of Las Vegas', I'm like 'Katy!'" he joked.MORE: Katy Perry reveals wedding news after claims she secretly wed Orlando BloomHowever, he revealed that there was nothing but love between the two, perhaps veering on being closer than you'd expect when Orlando comes into the mix."Me and her, even as years have gone, we have an even more fun friendship and a great working relationship," he gushed about the Firework singer.A post shared by Good Morning America (@goodmorningamerica)Luke joked about Katy being "jealous" of his relationship with Orlando BloomHe then added: "She's really a little jealous because she believes Orlando kind of…might have a little man crush on me. "Because Orlando came to Nashville and I had all these outdoor activities planned for him.