Louis Walsh gets a lap dance from a Britney Spears impersonator, a Frankie Cocozza wannabe shocks the judges, and Leona Lewis is the latest guest on the panel.
X Factor show five - photo gallery:
Meanwhile, the group MK1 face the classic X Factor problem of being asked to ditch one of their members if they wish to carry on in the competition. Will they stick together or bend to the judges' wishes?
The X Factor auditions continue tonight (September 9) on ITV1.