<p><br /> X Factor contestants have apparently trashed Simon Cowell's villa in Spain.<br /> </p><p><br /> The boss of the reality show is believed to be renting a £15,000 per night villa in Marbella for judges house's week, which is rumoured to have 20 bedrooms, three pools, a cinema and a gym.<br /> </p><p><br /> According to numerous tabloid reports, some of the contestants raided his drinks fridge before going for a dip in the sea and then trampling sand and sea water through the apartment, damaging expensive furniture and ornaments.<br /> </p><p><br /> Simon, 50, is said to be furious by their behaviour and is quoted as saying: "Damage will have to be paid out of their first royalty cheque. "<br /> </p><p><br /> It is rumoured that Simon Cowell is mentoring the groups this year.<br /> </p>