Katy Perry Scores Ultimate Cool Mom Points With Daughter Daisy During 'American Idol' Hawaii Week (Exclusive)

Iam Tongi Delivers ‘Showstopping’ Performance on ‘American Idol’: Watch

'American Idol' Contestant Nutsa Buzaladze Tearfully Apologizes to Katy Perry for Duet Round Incident, Gets Encouraging Response

American Idol: Megan Danielle wins sing off after nailing Adele song and advances into Top 26