Katy Perry (played by Katy Perry) on American Idol on ABC was spotted wearing this red embellished one-shoulder dress on American Idol on Apr 18 2019's episode. Katy's Dress is the Fall 2019 Ready To Wear Collection by Redemption . Katy's Earrings is the Core Collection Fluid Azzurro Fringe Drop Earrings by Atelier Swarovski. For shoppable links visit wornontv.net/133373