Lala Kent

Ariana reveals the reasons she wants Tom Sandoval to stick around after her birthday. Lisa advises the women to get back at their boyfriends for going to Las Vegas.

Lisa invites a group of underprivileged children to the SUR. Jax stands up for Kristen when her break-up with James turns ugly.

Lisa wants Stassi to keep her distance; Scheana and Ariana discover that their friendship may be damaged; James tries to get an invitation to Hawaii.

Kristen finds herself in the hot seat, Mike Shay makes his first reunion appearance to talk about his struggles with addiction and Lala discusses the difficulties of being new. Jax, Schwartz and Sandoval delve into their wild trip to Las Vegas.

The gang go to Hawaii to celebrate Jax's and Tom's birthdays; Lala tries to come clean about her flirtation.

Katie launches her website with a high-profile party, but a surprise appearance from James and an unexpected text message threaten to ruin the event.