The Hills Lauren Conrad denies rival Kristin Cavallari joining 'The Hills' cast 01/10/2008 Whether it's an alleged sex tape with ex-beau Jason Wahler or reports that some of The Hills' scenes are fake, Lauren "L.C." Conrad is no stranger to refuting rumors. 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: Get This Party Started Laguna Beach Kristin Cavallari Lauren Conrad Brody Jenner Audrina Patridge Stephen Colletti
