The Hills Kristin Cavallari: My brother's death brought me closer with my family 10/14/2016 Kristin Cavallari says her brother's death brought her closer to her family and children. 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: Kristin Cavallari Jay Cutler Entertainment Tonight