Katharine McPhee is headed back to American Idol once again next weekend to perform with two of the latest contenders for the Idol title!

The latest pack of American Idol Top 24 contestants will perform all-star duets on Sunday, April 4. In addition to Katharine, other celebrity duet partners including Jason Aldean, Ryan Tedder, Jewel, Tori Kelly, Josh Groban, Brian McKnight, Joss Stone, and more.