The Hills Audrina Patridge returning for 'The Hills' upcoming sixth season 12/09/2009 Audrina Patridge is returning to The Hills. 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: Audrina Patridge Mark Burnett
