The X Factor 2011 press launch - in pictures

They might be lined up like the Usual Suspects, but only one of them is the, er, usual suspect. Louis Walsh, the self-confessed "last judge standing" is joined by a trio of newbies for the new series of ITV1's The X Factor, (from left - as if you needed to be told that) Tulisa Contostavlos, Kelly Rowland and Gary Barlow. He's in Take That Photograph: Ian West/PA

"Security, security, code two, code two!" You can barely tell X Factor presenter Dermot O'Leary is whispering into his hidden mic as he greets fans at the X Factor launch, held for the first time in front of media and around 600 fans of the show Photograph: Ian West/PA

Louis Walsh, looking entirely unfazed by the absence of the other judges from last year, Simon Cowell, Dannii Minogue or Cheryl Cole, tries to become a human "X". He's got the legs right but the arms are all wrong. Up in the air, Louis, up in the air! Photograph: Ian West/PA

N-Dubz' Tulisa Contostavlos gave a very good impression of Cheryl Cole - except without the accent. Here she gamely responds to a fan who asked for her best Tim Henman. Good fist pump, but too smiley. Seven out of 10 Photograph: David Fisher/DFS

Gary Barlow indulges in a brief game of pocket billiards as he prepares to for the X Factor press launch at London's O2 arena. If he looks a bit nervous, he's probably just spotted the fan wearing a T-shirt with "Captain Barlow" emblazoned on it. What? Photograph: Ian West/PA

Kelly Rowland from Destiny's Child - she's not Beyonce, or the other one - is one of three new judges on this year's panel. She says "freakin'" and "I love the UK!" a lot, we can report Photograph: Mike Marsland/WireImage

Whatever make-up Louis Walsh is using, we want some of it. Of course not, it's former X Factor runner-up Olly Murs and Caroline Flack, presenters of ITV2's Xtra Factor. Invited to join the judges for a chinwag at the press launch, Murs explained he had go to the loo Photograph: Ian West/PA