Kristin admitted 'The Hills' was totally fake during 'Plead the Fifth.'

Taylor explained why she had such a visceral response to Brandi's book deal.

Taylor refuted rumors that she was quitting #RHOBH.

Kristin was no match for Taylor in arm wrestling.

Taylor Armstrong and Kristin Cavallari appeared on the Dec. 3, 2012 episode of #WWHL.

Andy Cohen's got the 411 on where to get an awesome haircut.

Kristin sounded off on her former flames and co-stars during 'Laguna Bitch.'