Former Winner Maddie Poppee returned to audition for American Idol but as a prank on the judges.

Poppee went full Goth in her makeup and when by the stage name "Lady Mapo"

The judges, Katy Perry, Lionel Richie, and Luke Bryan had no idea it was a former winner until Poppee revealed herself!

So far it has been one of the best pranks of the season!!