Katy Perry Calls Tough-But-Loving ‘American Idol’ the ‘Montessori Mom’ of Singing Contests as Show Celebrates 20 Years

Katy Perry Reveals Why She's Not Ready for Baby No. 2 Yet

Katy Perry takes style inspiration from Amanda Holden as she slips into identical £1,320 yellow gown

All the Ways to Watch the ‘American Idol’ Finale on TV & Online