In the season finale, Katie and Charlie host their first visitor, Brooke, a preppy and perfect girl from Katie's past. Katie impulsively offers to throw a party while she's in town, but the girls quickly realize that they have no friends. To impress Brooke, they head to a rooftop bar in the middle of Hollywood. After a couple of drinks, they befriend the strangers at the bar and invite them all over for their big party. Overwhelmed by Brooke's entire visit, Charlie seeks solace in the bathroom. Katie finds her, and Charlie reveals her true feelings about Katie's long time friend. After everyone leaves, Brooke questions Katie's new lifestyle. Why move across the country when you had a great life? Katie ultimately decides that to grow up, you have to grow.