It's Lauren's birthday. Lo and Audrina throw a surprise party for her where Heidi makes a surprise visit.

In the aftermath of Lauren's birthday, Spencer calls Brody and Heidi goes to see her mother.

Stephanie gets a big opportunity as Lauren's boss invites her for a job interview.

Stephanie runs into trouble at her new job. Meanwhile Audrina has a new love interest.

The girls follow the boys to Hawaii where Audrina causes some relationship problems.

Heidi argues with Stacie, while Brody has problems with his girlfriend.

Lauren is put into an awkward situation after Stephanie messes up at work. Meanwhile, Justin calls out Audrina for hooking up with Brody.

Spencer has an important question to ask Heidi's father when he comes for a visit. Meanwhile, Lauren make the decision to fire Stephanie from People's Revolution.

Spenser is asked by Heidi to make amends with Lauren in hopes that she'll attend their wedding. Elsewhere, a recently fired Stephanie has a run-in with Kelly Cutrone, her former boss.

Kristin's flirting with Justin has Audrina angered as she tries to reconnect with her friends. Elsewhere, Heidi and Spencer are in search of a new home.

Kristin and Stacie team up, but then there's the talk with Audrina.

Justin doesn't show up at Brody's party and Audrina has a new target.

Kristin feels she has Justin tamed. While at an event Holly control.

Justin's plan backfires when tries to play hard to get with Kristen. Heidi and Stephanie decide to hold an intervention due to Holly's drinking. Brody questions his relationship with Jayde after they have another fight.

Justin finds himself in hot water after Kristin and Audrina meet. Heidi wants to have a baby, but Spencer has another plan.

Justin and Audrina are finally over. Spencer sees himself cornered by Heidi.

Heidi wants to get pregnant no matter what. Kristin and Jayde fight.

Kirstin and Justin meet in Las Vegas while Spencer uncovers Heidi's dangerous plans of having a child.

Spencer confronts Heidi, while Justin keeps fighting for Kirstin and Brody freaks out when Jayde wants to move in.