Lauren's best friend, Lo Bosworth, moves in with her in the third season, and becomes a factor in the distance between Lauren and Audrina. Audrina is in a rocky relationship with Justin Brescia, whom Lo has jokingly titled "Justin-Bobby". Lauren befriends Brody Jenner after their brief relationship, followed by a memorable trip to Paris. Stephanie Pratt, the sister of Spencer, joins the cast in the third season, and later befriends Lauren, causing a rift between her relationship with Heidi and her brother. Whitney eventually moves to New York, and Heidi and Lauren had seemed to come to common terms in the fourth season. Lauren's suspicions about Spencer still hang over them.
Upon conclusion of season four, rumors were widespread that Conrad wanted to leave the series. Despite this, the producers persuaded her to film ten more episodes at the start of season five in order to settle her relationships before making her exit.
season 3
Lauren gets upset when a vicious rumor about her surfaces and she blames Spencer for starting it. At school, Lauren inadvertently befriends Spencer's sister, Stephanie, after she apologizes for verbally attacking her in response to Lauren's feud with Spencer and Heidi. After a work trip to Paris, Whitney feels her job isn't what she wants and quits. In a search for a new job she interviews for fashion PR firm, People's Revolution. Meanwhile, Spencer wants take his relationship with Heidi to the next level, but has a hard time confirming his commitment. Audrina rekindles her rocky relationship with former flame, Justin. In the season finale, Lauren makes a big move.
season 4
Lauren is surprised to know that two of her best friends are butting heads. Meanwhile, Spencer continues to be a strain on Heidi, especially when Heidi's sister, Holly, chooses to move to LA. Spencer gets Heidi fired for drinking while on the job. In an effort to save their relationship, the pair unofficially elope, forcing her mother to voice her disappointment. Lauren has a huge rift with Audrina when yet another vicious rumor threatens a tight friendship. Additionally, Whitney's boss offers her the chance to interview with Diane von Furstenberg. In the season finale, Whitney learns the outcome of her interview. en.wikipedia.org
