Cast | Stephanie

Ever since she made friends with Lauren, Stephanie has been on thin ice with her brother Spencer. And inviting Lauren to her birthday party might be the last straw. Lauren's friends don't trust Stephanie, and Brody isn't afraid to tell her so to her face. Stephanie relies on Lauren, who sticks up for her every chance she gets. But when Stephanie goes after one of Lauren's boys, she realizes she may have lost her last ally.

Cast | Lo

Lo is about to graduate from college and enter the working world, but first she has to take care of business at home. She feels that Audrina has refused to put any effort into their friendship and she's not afraid to say so. Lo wants everybody in the house to get along, but she's also starting to think that she and Audrina will never find a way to be friends. Maybe they can co-exist in peace -- or maybe it's time for one of them to move on.

Cast | Heidi

Heidi has finally decided to let Spencer move back into their apartment, but soon she'll have even more difficult decisions to make. After choosing Spencer over work after he stormed her business trip, Heidi has to deal with her boss. And, as if Heidi didn't have enough on her plate already, now her sister Holly is moving to Los Angeles -- and moving in with Heidi and Spencer. Spencer is not too pleased and promises he'll move out if Holly doesn't first. Putting her career on hold is one thing, but what will Heidi do when Spencer comes between her and her family?

Cast | Whitney

Whitney's career at People's Revolution is taking off, but the responsibilities are also getting more serious. She's got a tough boss in Kelly Cutrone, but at least Whitney is on her good side -- for now. When a coworker is fired, Whitney is picked to take her place - but that means jetting back and forth to New York to learn the next level of the business. Whitney has the talent to make it in fashion, but does she have the dedication? And when she meets an exciting new guy, will she be able to keep her personal life from interfering with her job? Big questions await, but Whitney might have to face them without the help of Lauren, her longtime partner in crime.