Celebrity Big Brother fans couldn't believe their ears, as it seems contestant Louis Walsh didn't understand the "basic concept" of the show.The former X Factor judge seemed confused over how the show worked when being interviewed by hosts AJ Odudu and Will Best.The 71-year-old finished fourth place and made it all the way to the final, seemingly without knowing what he was in for. During his exit interview, he told the presenters: "We had no information." When asked by Will about his role as a "producer" in the drama between housemates, Louis replied by revealing he was shocked to have no contact with the outside world.