By Charlotte Tutton Celebrity Big Brother’s Louis Walsh was visibly stunned as the live crowd booed him on Friday night. The X Factor star survived the latest eviction on the show, with two names being sent home. Joining Louis on the chopping block were David Potts, Ekin-Su Cülcüloğlu, Fern Britton and Levi Roots. At the start of the show before hosts AJ Odudu and Will Best went live to the house, the pair revealed voting details and said each name one at a time. As they did so, Louis’ name was followed by a simmering of boos. When the pair said his name again, the boos got deeper as almost th…