Photo: The Canadian Press

Iowa native Maddie Poppe has won "American Idol."

The singer-songwriter bested Caleb Lee Hutchinson and Gabby Barrett in Monday night's two-hour finale on ABC.

Poppe and Hutchinson announced on the program that they're dating, surprising judges Katy Perry, Luke Bryan and Lionel Richie. They then performed "Somewhere Over the Rainbow."

Poppe called the experience incredible.

Hutchinson took to Twitter to congratulate Poppe.

The three judges performed during the finale along with Patti LaBelle, Nick Jonas and Mustard, Bebe Rexha, Darius Rucker, Gary Clark Jr., Yolanda Adams and Kermit the Frog.