Special Guest Stars Ruben Studdard as Himself David Cook as Himself Jordin Sparks as Herself Scotty McCreery as Himself Kris Allen as Himself Laine Hardy as Himself Maddie Poppe as Herself Lauren Alaina as Herself Paula Abdul as Herself Justin Guarini as Himself Randy Jackson as Himself William Hung as Himself Willie Spence as Himself Caleb Lee Hutchinson as Himself Grace Kinstler as Herself Laci Kaye Booth as Herself