Katy Perry Judge Luke Bryan Judge Lionel Richie Judge Ryan Seacrest Host Bobby Bones Self Chris Martin Self Lindsey Buckingham Music Performer Faith Becnel Contestant Ashe Music Performer Alessia Cara Music Performer Luke Combs Music Performer Sheryl Crow Music Performer Cyniah Elise Contestant Fall Out Boy Music Performer Mickey Guyton Music Performer Aliana Jester Contestant Louis Knight Contestant Leona Lewis Music Performer Macklemore Music Performer Makayla Phillips Contestant Trish Kinane Executive Producer Jennifer Mullin Executive Producer