Katy Perry flounders as Ariel on 'American Idol' Disney Night, falls over in chair: 'Are you okay?' - USA TODAY

Disney Night on "American Idol" featured magical performances of classic Disney songs from the top 10 contestants.

Sunday night’s episode of “American Idol” was covered in pixie dust. As part of Disney Night, the top 10 contestants tackled iconic songs from the Walt Disney canon, kicking off the episode with a s… [+8316 chars]

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