The Hills - Season 3 - Eps 1: You Know What You Did
The third season premieres with Lauren and Heidi still unable to get past their differences and having become mortal enemies. Meanwhile, Whitney has graduated from college and is now juggling a real job and Audrina has become Lauren's new roommate and best friend.
About The Hills

Title: The Hills
First Air Date: 2006-05-31
Last Air Date: 2010-07-13
Status: Ended
Rating: 4.8/10 (from 40 votes)
Language: EN
Seasons: 7
Total Episodes: 102
Network: MTV
Genres: Reality, Drama
Production Companies: Done and Done Productions, MTV Productions
Synopsis
After high school graduation, "Laguna Beach" alumna Lauren sets out to live on her own in Los Angeles and work as an intern at Teen Vogue.
Cast

Lauren Conrad
Self