'American Idol': Iggy Azalea, Jennifer Hudson Get Funky With "Trouble" Performance
 

'American Idol' contestants and fans were treated to a couple performances last night, April 8, by some big-name recording artists. Florida Georgia Line and Jason Derulo doubled as this week's mentors/musical guests, with each act performing their newest singles. Iggy Azalea and 'Idol' alumna Jennifer Hudson also stopped by to show off their recent collaboration "Trouble."

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