Abi Carter Wins 'American Idol' Season 22

Katy Perry bids farewell as judge with a memorable finale performance and emotional tribute.

Abi Carter, a 21-year-old musician from Indio, California, was crowned the winner.
The finale featured performances from Jon Bon Jovi, Jason Mraz, and more.
Katy Perry's final episode included a duet and a dress honoring 168 contestants.
Perry leaves the show to focus on her music career, with no replacement announced yet.
Runner-up Will Moseley and Carter will make national media appearances this week.