The 32-year-old former American Idol contestant performed Jason Derulo‘s “Want to Want Me” while battling him during the episode!
For his second round performance, Jason did Rick James‘ “Super Freak.” Watch the video below!
Ultimately, Katharine was crowned the winner of the episode and it wasn’t the only television appearance she made that night. She was also at the series finale of American Idol.
Jason Derulo’s “Super Freak” vs. Katharine McPhee’s “Want to Want Me”