Sandoval, Schwartz and Jax vow not to let Lala's no-show ruin Ariana's NASCAR birthday weekend; Stassi's birthday trip gets off to a rocky start; Lisa learns troubling news about Lala's situation; Scheana feels like an outsider.
Cast:
Lisa Vanderpump
Jax Taylor
Tom Sandoval
Ariana Madix
James Kennedy
Katie Maloney
Tom Schwartz
Kristen Doute
Lala Kent
Brittany Cartwright