See What Katy Perry Wore for the 'American Idol' Finale & Watch Every Judge's Performance!

Katy Perry gave us two fierce looks during the season finale of American Idol!

The 36-year-old singer was joined on stage by fellow judges Luke Bryan and Lionel Richie during the finale on Sunday (May 23) in Los Angeles.

All three of the judges took to the stage to perform duets with contestants during the final show of the season.

Katy did a duet of her song “Thinking of You” with contestant Hunter Metts, Luke performed the Bon Jovi song “Livin’ on a Prayer” with contestant Casey Bishop, and Lionel sang “One World” with the Top 8 contestants.

The winner of the season was crowned at the end of the night after tons of amazing performances. The evening featured a whopping 22 performances overall and there were so many great celebrity guests!

Click inside to watch all of the judges’ performances…

You can check out the judges’ performances below.