Beau stuns Stassi with a quirky but romantic engagement proposal Danica and the SUR staff go head to head with Sandoval, Schwartz, and the team from TomTom during an epic softball game to determine restaurant dominance.
Lisa helps Beau plan a secret engagement party for Stassi, but Stassi's insecurities threaten everything when she explodes at a wine event Lala and James make music together Danica takes Brett to task Scheana presents Dayna with an unwanted gift.
The group travels to Las Vegas to celebrate Schwartz and Katie's second wedding, but leave a heartbroken Kristen behind Lisa shows off the Vanderpump Cocktail Garden Beau calls Stassi's father to ask permission to propose.
Schwartz and Sandoval prepare for TomTom's first Gay Pride celebration, but their choice to hire James as DJ backfires when he gets Raquel in trouble at SUR and Lisa thinks he's drinking again.
Jax and Brittany's dual bachelor/bachelorette trip charges on as Sandoval, Schwartz, Jax, and Beau plan a surprise disguise for the girls, while Stassi finds herself caught in the middle of a friendship-ending fight between Katie and Kristen.
When the group heads to Miami, Beau confronts Sandoval for attacking Stassi at her book signing Ariana accuses Schwartz of not pulling his weight at TomTom Brittany has a meltdown triggered by an unexpected reminder of Jax's infidelity.
Stassi throws a book party at TomTom but excludes Tom Sandoval from the planning Sandoval rage texts her, leading to an epic explosion between them and forcing Tom Schwartz to pick sides Scheana bonds with Charli over their mutual dislike of Dayna.
When new server Dayna starts dating Max, Scheana makes Dayna's life difficult Stassi, Katie and Brittany are bothered by Kristen's ties to Carter Jax un-invites Carter from the trip to Miami Lala and James come to terms Ariana opens up to Lisa.
Jax, Brittany, Schwartz, Katie, Sandoval, and Ariana move into grown-up houses Stassi tries to repair her friendship with Kristen Lala confides in Lisa Vanderpump Max dates the new hostess, Dayna Tom Sandoval skips one of Jax's wedding events.
Jax and Brittany celebrate their engagement at a fairytale-themed party Ariana confronts Lisa Vanderpump Brittany must inform Lala that she's excluded from her wedding party Scheana reveals she's been with another guy.
Scheana goes out with a model in an attempt to make Adam jealous James accuses Lala of being insincere Brittany's big Kentucky family descends on West Hollywood in preparation for the engagement party Jax puts his foot in his mouth.
Stassi gives Kristen tough love about her relationship with Carter Sandoval and Schwartz worry that Lisa may not put their cocktails on the menu Lisa gives James permission to DJ an event at PUMP Lala is betrayed by her boyfriend of three years.
Kristen's bizarre behavior threatens to spoil the women's trip to wine country Scheana breaks down James is overjoyed when he gets a last-minute invitation to the guys' "staycation " Tom Sandoval invites women back to the hotel room.
Lala takes her friends to Solvang, Calif., on a private jet Jax looks forward to a guys' night out with Tom Sandoval and Tom Schwartz Brittany brings Jax to therapy to deal with his infidelities James has a fight with his mother over money.
Sandoval and Schwartz scramble to get TomTom ready for its opening event Kristen learns she's not allowed to come James erupts when Raquel considers attending Girls' Night In Jax celebrates his first birthday without the support of his parents.
The group treks to Marina del Rey for Scheana's housewarming Lala calls out Billie Lee Tom gossips about Ariana's romantic encounters with women Lisa Vanderpump finally reveals the fully finished TomTom to a giddy Sandoval and Schwartz.
Katie convinces Lisa to let her host a "Girls' Night In" party, but Billie Lee lashes out at Katie for not including her in the planning Brittany throws a tantrum Lala decides James is moving too fast Stassi creates her own personal holiday.
Stassi struggles to make amends with Beau after her meltdown James tries to rekindle his friendship with Lala Jax causes trouble at a SUR staff meeting the Toms present their cocktails to Lisa Katie, Kristen and Stassi's mothers come to town.
Stassi and Ariana throw an epic winter-themed birthday party Stassi's new boyfriend gets his first taste of Stassi's bad birthday behavior Jax confronts Tom Sandoval for questioning his engagement James finds himself cut off from everyone at SUR.
Ariana and Brittany seek relationship advice from Lisa Stassi throws a party to relaunch Katie's beauty blog Katie and Tom celebrate their first wedding anniversary Jax and Brittany's relationship takes a surprising turn.