“It’s coming to an end, man,” Daughtry told PEOPLE at the 2016 iHeartRadio Music Awards on Sunday. “Lights out! Or actually lights up, everybody go home!”
He added, “It’s bittersweet. I got a lot of good memories about it from the show, my season in particular. I feel like this season, from what I’ve seen in the last few, has been extremely entertaining. I think they’re going out on a high note.”
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Daughtry, who placed fourth in the fifth season, won’t be the only familiar face returning for the final farewell.
Other alumni appearing on Thursday’s show will be Carrie Underwood, Ruben Studdard, Fantasia, Taylor Hicks, Jordin Sparks, David Cook, Kris Allen, Lee DeWyze, Scotty McCreery, Candice Glover, Caleb Johnson, Nick Fradiani, Ace Young, Allison Iraheta, Amber Holcomb, Blake Lewis, Bo Bice, Brandon Rogers, Bucky Covington, Carly Smithson, Casey James, Clark Beckham, Clay Aiken, Colton Dixon, Constantine Maroulis, Danny Gokey, Diana DeGarmo, Elliott Yamin, George Huff, James Durbin, Jessica Sanchez, Josh Gracin, Joshua Ledet, Justin Guarini, Katharine McPhee, Kellie Pickler, Kimberley Locke, Kree Harrison, LaToya London, Lauren Alaina, Melinda Doolittle, Pia Toscano, Sanjaya, Skylar Laine, Tamyra Gray and more.
American Idol airs Thursdays (at 8 p.m. ET) on Fox. The two-part finale will air Wednesday, April 6 and Thursday, April 7.