Katy Perry made sure she went out with a bang — and some pizza. The pop star celebrated her final appearance as a judge on American Idolby recreating a viral 2022 video of herself launching pizza into a crowd at a nightclub. This time around, Perry took a pepperoni slice and threw it into the audience while taping the Season 22 finale of the hit singing competition series. “A pizza my heart will always be on the #idol stage,” the “Dark Horse” singer captioned a video of the funny moment. In the clip, Perry tossed the pizza at a group of fans, however, a girl failed to catch it and the food wou…