Diana Vickers

Josh's work life receives a boost when his agent gets him a gig supporting a big act on tour. Owen starts dating former `The X Factor' star Diana Vickers, and Kate takes on landlord Geoff at the 1980s property board game, Hungry Hungry Landlords.

It's the final and the stars have their sights set on the Celebrity Karaoke Club trophy. The stakes are high with eliminations after every round, so they have to make every performance count to be in with a chance of becoming the winner.