American Idol judges Luke Bryan and Lionel Richie had a hilarious moment on the show's latest installment, puncturing an emotional moment with a comedic one.MORE: Lionel Richie left in tears by emotional American Idol auditionThe country star seemed to have quite the strong reaction to contestant Leah Marlene's performance on the new live episode on Sunday night.VIDEO: Luke Bryan calls on fans to help him after ‘losing money’ in Las VegasFollowing her incredible routine, the judges praised her for her transformation over the course of the competition, with Luke in particular glowing with pride."The beauty of this show and why it works year after year is watching what is happening to you right now," he said to Leah.MORE: Katy Perry talks disagreements with American Idol judges Luke Bryan and Lionel Richie"It's really emotional for me and us to watch you grow and come out of your deal.