The Hills Stars: Then and Now
Kristin Cavallari, Then
The Laguna Beach alum took over the reigns from Lauren Conrad midway through the show's fifth season. Cavallari began romancing Justin "Bobby" Brescia, infuriating his on-and-off love Audrina Patridge. The blonde star later rekindled her romance with Brody Jenner. In Season 6, Cavallari's costars implied she had a drug problem.