The Hills 'The Hills' guest house under investigation as an illegal residence 07/16/2008 Audrina Patridge may be forced to vacate the guest house on Lauren Conrad's property, but not because of any feud between The Hills starlets. Read More RELATED NEWS Kristin Cavallari debuts new 24-year-old boyfriend Mark EstesBrody Jenner and Tia Blanco welcome their first child'The Hills' alum Brody Jenner engaged to pregnant girlfriend Tiarah "Tia" Blanco TAGS: Lauren Conrad Audrina Patridge
