The Hills Lauren Conrad: My childhood crush was Justin Timberlake "in his prime" 07/14/2014 Lauren Conrad opened up about her childhood crush while speaking to Us Weekly at the Mondrian South Beach in Miami Beach, Fla. last week. 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 Justin Timberlake