Katy Perry & Catie Turner Unite For 'Part of Me' Performance During 'American Idol' Finale

Catie and Katy together on stage at last!

American Idol contestant Catie Turner joined judge Katy Perry for a duet during the show’s finale!

The duo hit the stage together to perform a stripped down version of Katy‘s hit song “Part of Me.”

“she taught me that all my quirks add beauty to who i am. i love u kp forever 💞,” Catie wrote on her Instagram after the performance.

Katy added, “Look at you, you’re sparkling ✨ @hashtagcatie #KatySquared #AmericanIdolFinale”

Watch the entire performance below…