Lauren tries to uphold her friendship to Audrina, but is it already too late? Meanwhile Spencer tries to win Heidi back and risks her career to do so.

While Lo and Lauren enjoy living at the house, Audrina feels more and more left out. Meanwhile Stephanie thinks it's time to get rid of Spencer and Heidi prepares her next step in her career.

Lauren, Lo and Audrina have a house-warming party. Stephen, a guy from Laurens past at Laguna is invited and Lo is excited as she hopes something will happen between Lauren and Stephen again. Justin, Audrina's ex comes to the party and Audrina feels left

Lauren and Lo are looking into the real estate market as they plan to buy a house. Meanwhile, Audrina reconsiders her situation as a single woman. Heidi makes an attempt to speak to Lauren again

Heidi's night out with Audrina is ruined when Spencer shows up. Plus, Lauren helps Whitney during Fashion Week and impresses Kelly Cutrone.

Heidi tries to win back Audrina's friendship, but Lauren grows suspicious of Heidi's motives.

It's Lauren's birthday and for some guests an appearance at her party could mean a lot of trouble. Also from whom will Lauren receive a birthday kiss?

Loyalty lines are questioned when Stephanie Pratt makes nice with Lauren at FIDM. Plus, Whitney travels to NYC to jump-start her career with People's Revolution.

Back from Paris, Whitney chases her dream job and leaves Teen Vogue. Meanwhile, Spencer and Heidi make a difficult move in their relationship.

Lauren and Whitney arrive in Paris where they are about to cover the "Bal Des Debutantes" for Teen Vogue Magazine.

Broken hearts as far as the eyes reaches: Heidi and Spencer can't agree on their wedding plans while Brody and Lauren both refuse to make the first step.

Stephanie tells Spencer that Heidi might bail out of the wedding, so Spencer and Heidi fight once again. Lauren and Audrina both have a date.

Lauren and Audrina find out that Spencer has a sister. She also pays Spencer and Heidi a visit. When Lauren and Audrina hang out with Brody, they not only run into Spencer's sister, but also run into Justin - with another girl.

Heidi and Spencer constantly fight about how they should get married. Will they find a solution? Meanwhile Whitney has found a guy that asks her out on a date.

Lauren and Whitney have to cover an event for Teen Vogue, where Lauren runs into Heidi and of course they fight again. Later on Heidi tries to make up to Lauren, but Lauren turns her down. Meanwhile Audrina and Justin still struggle in their undefined rel

The Young Hollywood party finally happens and Whitney is in charge. Heidi celebrates her 21th birthday with Spencer. And Audrina might have a new admirer.

The Young Hollywood party finally happens and Whitney is in charge. Heidi celebrates her 21th birthday with Spencer. And Audrina might have a new admirer.

Lauren goes out with one of the male models from a photo shoot, leaving Brody to question everything that has developed in the past weeks.

When Jen wants to be friends again with Lauren, however the dark past starts to haunt everyone. And not everyone likes the past revealed.

Brody celebrates his 24th birthday in Las Vegas. They stay for the weekend at the Palms Hotel. Lauren and the girls show up and surprise him there. Meanwhile it's Heidi's anniversary with Spencer and there is an event at work.

Spencer and Heidi's wedding date gets closer, but will he tell his family before he steps into church? The Teen Vogue event gives Whitney and Lauren a lot of work, while Jason tires to start over with a new girl and a new place.

Heidi tries to fit into her new job. Meanwhile Lauren has to decide if she will give Jason another chance.

Audrina still has her doubts about her relationship with Justin. Lauren just goes on with her life and has fun with her true friends who also include Brody. Spencer is not happy about Lauren seeing Brody. Spencer and Brody break up. Heidi went to have bre

Heidi takes Spencer to Colorado to meet her family. Especially Heidi's stepfather and mother do not quite seem to like him, they're eager to see get Heidi together with Lauren. Lauren breaks Brody's finger on his bbq but that's further not an issue. Audri

Audrina invites Lauren out to dinner to get to know Justin better. Lauren is not impressed by him. Audrina talks to Justin and decides to give their relationship time. Spencer surprises Heidi by buying two arcade games for the apartment. Later, she surpri

Lauren returns to Laguna Beach for some advice. Meanwhile, Audrina and her new beau get serious with their relationship and Spencer proposes to Heidi.

Heidi invites Lauren to a house-warming party after spreading rumours about her and Jason and instead Lauren and Audrina got Out to Opera. Heidi is upset but is happy when Jen Bunny shows up atleast she still has one old friend. The next night at Frankies