ShowbizJames and Johnny become X Factor judges for one nightLondon Lite11 April 2012The X Factor is on everyone's lips at the moment, even at posh bashes like the Vogue And Bulgari party at the Saatchi Gallery last night.James Corden, 31, defended his pal Robbie Williams, who had some stick after his performance on Sunday's show, saying: "I thought he was absolutely brilliant when I saw him on stage, don't listen to what everyone says."For and against: James Corden and Johnny BorrellMeanwhile, Razorlight's Johnny Borrell attacked the show for not being "real". He added: "It's just not my thing."X Factor BlogWhen pressed further on the subject, however, the 29-year-old singer admitted: "But what do I know? I don't even have a television."Other guests at the party included Peaches Geldof, actor Dominic Cooper, Princess Michael of Kent and Natalie Imbruglia.MORE ABOUTJames CordenRobbie WilliamsSoft RockSwing Revival