Plot: It's the quarter finals and the battle for a place in the final eight reaches its climax. The remaining celebrities must cook a faultless two-course meal, judged not only by John and Gregg but also by three previous Celebrity MasterChef champions in the shape of actress Lisa Faulkner (2010), former England Rugby captain Phil Vickery (2011) and current reigning champion Emma Kennedy (2012), who all know exactly what standards they expect