American Idol: Lionel Richie openly weeps after being moved by teenager Ronda Melton during audition

American Idol: Katy Perry cries while listening spellbound to former prisoner Calvin Upshaw audition

'American Idol': Katy Perry Reveals She Used to Wish for Twins Before She Welcomed Daughter Daisy

Katy Perry dresses as the Queen of Hearts for Valentine's Day premiere of American Idol