Best of MTV Girls Combo

At the end of season 3 of The Hills, Spencer surprised Heidi during her business trip in Las Vegas and won her back. But by putting Spencer before work, Heidi found herself in hot water with her boss, Brent Bolthouse. Now she constantly has to prove herself at the office.

While in class at the Fashion Institute, Stephanie invites Lauren to her birthday bash. When Lauren asks if she can bring someone, Stephanie's eager to learn the details. Lauren dishes that he's a baseball player, and Stephanie reveals that athletes get the thumbs up from her.

Stephen heads to London for an interview and photo shoot with 'Company' magazine's 'Bachelor of the Year' feature. Not to look a gift horse in the mouth Stephen plays up to his new found Bachelor status, but when he gets home and explains his new found title, his girlfriend Brooke is less than forgiving! After weeks apart the girls organise a get together BBQ! Rachael opens up about her lack of trust in boyfriend Jack, Liv shares her anniversary plans and singleton Milly drops a bomb shell about a recent hook up! Josh surprises Liv with a romantic candle lit dinner. But when Josh says that he'll do anything to make a career out of music, even if it means quitting school and touring for a year, Liv is horrified.

Their senior year is winding down and the kids from Laguna Beach are just getting started for their summer of fun...and drama. Lo, LC, Morgan and Christina are the most popular senior girls in school. The four get together one gorgeous afternoon to discuss how they can begin their last summer together. They decide on a fashion-themed formal at the luxurious Surf and Sand Hotel and they call it "A Black and White Affair." Now it's time to figure out who should be on their guest list, and of course, who should not.

Their senior year is winding down and the kids from Laguna Beach are just getting started for their summer of fun...and drama. Lo, LC, Morgan and Christina are the most popular senior girls in school. The four get together one gorgeous afternoon to discuss how they can begin their last summer together. They decide on a fashion-themed formal at the luxurious Surf and Sand Hotel and they call it "A Black and White Affair." Now it's time to figure out who should be on their guest list, and of course, who should not.

Three years ago, Amanda had a Polynesian-themed My Super Sweet 16 party that any girl would die for, including a performance by R&B sensation Ciara. The grand total for Amanda's birthday extravaganza? More than $200,000! But was she humbled by and appreciative of the experience? No way. In fact, she was ticked that she had to arrive to her party in an Acura. Oh, the horror!