Ryan Seacrest chats with ET’s Denny Directo at the season 22 finale of ‘American Idol,’ which aired Sunday on ABC. The ‘Idol’ host addresses this being Katy Perry’s final season… for now, teasing a potential return after she told him to ‘keep the seat warm.’ Plus, Ryan reveals he’s finally filming ‘Wheel of Fortune,’ adding that he needs to have a ‘brain shift’ before jumping from ‘Idol’ to the long-running game show, where he’s taking over hosting duties from Pat Sajak.