Season 18

The ladies head to wine country for Heather's fundraising event with Family Equality. Jenn has a court date to determine her financial future. The group navigates supporting Shannon and Alexis during a lawsuit deadline. Shannon finds out about the video from the night of her DUI and confesses shocking details about her accident.

Emily reflects on her treatment of Jenn. Shannon installs a breathalyzer in her new car. Katie legally changes her daughter's name. At a murder mystery party, the Tres Amigas confront their issues.

La Quinta, Shannon breaks down over the impending lawsuit with John, and tension between Gina and Emily finally bubbles over; the ladies bond over divorce, but when they pack up to leave, Alexis gets a call from John that sends her spiraling.

Gina, Heather and Emily whisk Shannon away for a relaxing girls' trip in La Quinta, only for Gina to find herself in quite the mess with Emily and Heather. Meanwhile, Tamra, Katie and Jenn head to Tamra's Big Bear house, where they dip their toes in the snow and some pie. Katie shares with the ladies that she feels set up by Gina, while Alexis reveals more trouble is heading Shannon's way.

Tensions are high when Gina is caught between Katie and Heather after the staged paparazzi allegations; Emily and Shane celebrate their 15th anniversary; the Tres Amigas come together for the first time, but things quickly go sideways.

After Katie shares controversial information about Heather, the two come head-to-head at Katie's golf event; Jenn is upset with Emily for her comments about her financial woes.

With tensions lingering between Gina and Jenn, the ladies get their aggressions out in a flag football match; Shannon grapples with the fact that Alexis seems to be taking over everything that was once hers; Gina follows through on a tough decision.

Tamra and Shannon engage in a heated debate. Alexis discusses her "promised ring." Jenn's parents visit, aiding the kids' adjustment at Ryan's home. Gina worries about her professional reputation after vouching for Jenn.

Shannon is doing her best to move forward as she faces the consequences from her DUI; Emily deals with a new gym obsession; relationships are put to the test as both Gina and Jenn explore new living arrangements with their partners.

The OC women look back at the unforgettable moments, relationships and conflicts that have led up to making of "The Real Housewives of Orange County".