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'American Idol' winner is revealed, along with another big surprise

The American Idol grand finale aired Monday night, and it was full of surprises! Halfway through the night, Caleb Lee Hutchinson and Maddie Poppe were revealed as the top two finalists. However, Gabby Barrett being eliminated wasn't the big surprise.

Before Hutchison and Poppe performed "Somewhere Over the Rainbow" together as the top two, Ryan Seacrest asked Hutchinson if there was a special significance to the song when he sings to Poppe, to which Hutchinson replied, "Well, you know, Maddie is like my best pal, and I've known her since the beginning of Hollywood week. She actually happens to be my girlfriend." The entire audience, including judges Katy Perry, Lionel Richie and Luke Bryan, cheered with excitement as everyone was pleasantly surprised by their secret romance. Hutchinson and Maddie's surprise announcement was the sweetest moment of the night, and it made their top two duet even more special. However, while the two both stated that it didn't really matter to them who won, only one could be the American Idol, and that winner is… Maddie Poppe!

To celebrate her victory, Poppe gave an emotional performance of her new single "Going Going Gone," but struggled to finish the song due to her overwhelming happiness. Luckily, she had some help from her new friends (and boyfriend) as the top ten, and the judges, joined her to celebrate on stage.