Special Guest Stars Mario Lopez as Himself (Host) Guest Stars Radio City Rockettes as Themselves Gwen Stefani as Herself Brett Eldredge as Himself Katharine McPhee as Herself David Foster as Himself Mickey Guyton as Herself Maya Rudolph as Herself Amy Poehler as Herself Alicia Keys as Herself Blake Shelton as Himself Andrea Bocelli as Himself Dan + Shay as Themselves Matteo Bocelli as Himself Jimmie Allen as Himself Virginia Bocelli as Herself Louis York as Himself The Shindellas as Themselves The Muppets as Themselves