Guest Stars Brynn Cartelli as Herself Dan + Shay as Themselves Dierks Bentley as Himself (Advisor) Halsey as Herself John Legend as Himself Panic! at the Disco as Themselves Bastille as Themselves Rascal Flatts as Themselves Kelly Rowland as Herself Marshmello as Himself Esperanza Spalding as Herself The Doobie Brothers as Themselves
