The X Factor Paula Abdul formally announced as the fourth judge of 'The X Factor' 05/09/2011 Powered by Mochila Read More RELATED NEWS Simone Battle's death officially ruled a suicide Simone Battle, former 'The X Factor' finalist, found dead from apparent suicideCheryl Cole suing 'The X Factor' producers for at least $2.3 million TAGS: The X Factor Paula Abdul