Kristin and Brody relax on the beach, talk about Audrina dating Ryan.
'The Hills' Theme Song
Spencer arrives home to find Heidi planning a birthday party for Enzo.
Audrina and Ryan join the group for bowling.
Kristin watches Brody check out Audrina & Ryan, who leave together while the night is still young.
Heidi goes all out throwing Enzo a birthday party.
Audrina and Kristin try on shoes while discussing having "the talk" with Ryan, and skipping Enzo's birthday party.
Spencer enjoys himself at the party, but turns bitter when telling Brody about Heidi's recent trip home.
Spencer lashes out at Holly when she tries to defend her mother's behavior in Colorado.
Ryan and Audrina make their relationship official.
Brody tells Kristin what she missed at Enzo's party, they flirt over dinner.
Holly tries to confide in Heidi about the party, but Spencer arrives and gets upset.
Holly breaks down to Heidi when Spencer storms off and kicks her off the property.