Season 5

In the first half of Season 5, Lauren is celebrating her 23rd birthday on a yacht when Heidi turns up impulsivley in an effort to renew their friendship. Heidi later finds out that in her absence, Spencer had spent the evening flirting with a bartender. Delivered with an ultimatum, Spencer attends couples' therapy, tries to makes amends with Lauren, and proposes for a third time. Ultimately, Lauren changes her mind about Heidi's wedding invitation and decides to attend. In the second half of Season 5, Kristin Cavallari joins the cast. It isn't long before Kristen has made it apparent she has an interest in Justin, Audrina struggles to admit how this really makes her feel; is she still interested in Justin or does she want a fresh start? Meanwhile, Heidi decides she wants to have a baby, Spencer on the other hand is firmly against the idea. Brody and Jayde start to question their relationship, whilst Holly (Heidi's sister) struggles with a drinking problem.en.wikipedia.org