After their week in Paris, Lauren and Whitney are back home and have to adjust to the changes and the changes they plan to do.

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 Republic.

After the much talked about birthday party Lauren had, the talk of the characters on The Hills is Lauren's friendship with Stephanie. Audrina is approached by someone unexpected, much to someone else's discomfort.

Lauren is surprised by a job offer she receives. Meanwhile Heidi enjoys a night out with her friends, until she spots Spencer and things end up in a fight.

Stephanie's birthday party is around the corner and so everyone tries to make an appearance. Also things start to change for Whitney.

Whitney's love life starts to heat up while Lauren's starts to cool down. Meanwhile Heidi and Spencer fight.

Brody is still in jail, so the girls try to come up with a way to get him out. Plus Audrina and Lauren finally sit down and talk to each other.

Whitney finds romance when she and Lauren head to New York City for fashion week. Back in L.A., Spencer makes things worse for Heidi by approaching Brent to ask for her job back.

In NYC, Whitney has an interview with Diane von Furstenberg and sees Jay. Plus, Lauren says goodbye to her Laguna home and Stephanie makes a difficult decision about Cameron.

After Heidi catches Spencer at a nightclub with Stacie the bartender, she demands they go to couple's therapy. Plus, Lauren puts her reputation on the line when she gets Stephanie an interview at People's Revolution.

As Audrina tries to get over Justin, she sees Brody in a new light. Plus, Heidi drags Spencer to couples' therapy and Stephanie has a hard time handling work at People's Revolution.

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

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.

Heidi and Spencer head down the aisle and two unexpected guests manage to attend the ceremony.