Guest Stars Ellie Goulding as Herself Dizzee Rascal as Himself Robbie Williams as Himself Nicole Scherzinger as Herself Barry Manilow as Himself Kings of Leon as Themselves Little Mix as Themselves Tom Odell as Himself Rizzle Kicks as Themselves The Wanted as Themselves Bastille as Themselves The Lumineers as Themselves Passenger as Themselves
