In a televised therapy session, Heidi Montag got tearful about ex-best-friend Lauren Conrad , who filmed with her on The Hills . Heidi, who stars in Marriage Boot Camp: Reality Stars , confessed that she forgives Lauren for “trying to ruin” her life back when they were on the series. During the awkward confessional scene, Heidi held hands with a mysterious brunette, a stand-in for Lauren, saying, “I was the best friend you’ve ever had.