The Apprentice Fired 'The Celebrity Apprentice' contestants diss Joan Rivers 05/08/2009 Powered by Mochila Read More RELATED NEWS Khloe Kardashian addresses claims Donald Trump called her a "fat piglet" and "ugly" on 'The Celebrity Apprentice'Joan Rivers' belongings to be auctioned at Christie'sJoan Rivers had reportedly been undergoing unplanned throat biopsy TAGS: Joan Rivers