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 Randy Jackson as Himself William Hung as Himself Justin Guarini as Himself Caleb Lee Hutchinson as Himself Willie Spence as Himself Grace Kinstler as Herself Laci Kaye Booth as Herself