By Zara Woodcock Celebrity Big Brother star Louis Walsh looked less than impressed as the crowd booed and chanted during the live eviction. On Tuesday night, things got tense as the live eviction loomed over the Big Brother house. Towards the end of the episode, hosts AJ Odudu and Will Best hyped up the crowd as they revealed the three stars up for eviction – presenter Fern Britton, TV personality Lauren Simon and X Factor judge Louis. The camera panned across the three stars’ faces, starting with Fern and Lauren who seemed nervous but happy as they smiled at the camera. However, as AJ yelled …