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Season 21 of American Idol concluded with an emotional and star-studded finale. 

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The three finalists were Iam Tongi, Megan Danielle, and Colin Stough. 

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Iam Tongi, an 18-year-old high school student from Kahuku, Hawaii, emerged as the winner. 

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Tongi's heartbreaking story of losing his father touched many in the audience. 

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During the finale, Tongi broke down while performing a duet of "Monsters" with James Blunt. 

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Several stars, including Pitbull, Ellie Goulding, Lil Jon, Kylie Minogue, REO Speedwagon, and TLC, appeared on the three-hour finale. 

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Tongi won a recording contract as part of his American Idol prize package. 

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He performed "Don't Let Go" by Spawnbreezie after being declared the winner. 

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The confetti fell as his fellow contestants congratulated him, marking the beginning of his promising music career.