Very Cavallari

Kristin's business is booming, with brand new Uncommon James offices, a wildly growing staff, and massive plans for expansion; Brittainy's work life's going great, but her relationship with Stone is on the rocks.

Kristin heads to Chicago to meet up with her friend Biegs and check out spaces for a potential second UJ store; finding out if she's going to get her dream space or not, however, has her on edge.

Kristin still mourns her failed friendship with Kelly; Brittainy is newly single, but is shocked when she is late getting her period and fears that she might be pregnant with Stone's baby.

Kristin heads back home to Chicago to visit her mom and check on the progress of her new retail store; time is ticking and Kristin wants to launch the store, but the contractors are unsure if they can meet her demands.

As her company grows, Kristin struggles to find a work-life balance and feels pressure to take a step back, while Jay has his sights set on bringing some mini donkeys to the farm; Justin begins to fear the leap from L.A. to Nashville.

Kristin takes off to Mexico for her first ever Uncommon James National TV commercial shoot with Brittainy, Pip and Jack; Heidi and Audrina fly to Nashville to reminisce about their time on "The Hills," and try to figure out who they can trust.