The Real Housewives of Orange County — Season 18

The OC women are back in this new special featuring highlights of all the hijinks and high-stakes drama of the current season. Plus, a fun look back at the unforgettable moments, relationships and conflicts that have led up to making "The Real Housewives of Orange County" the icons they are today.

After a difficult year, Shannon is doing her best to move forward as she faces the consequences from her DUI. Emily deals with a new gym obsession. Tamra finds herself down dos amigas. Relationships are put to the test as both Gina and Jenn explore new living arrangements with their partners. Heather's "New Year, New Me" party brings tensions to a head when Alexis joins the ladies and revels in her new relationship with Shannon's ex-boyfriend, John Janssen.

Tamra and Shannon come face-to-face in a heated debate. Alexis shares details of her "promised ring." Jenn's parents come to visit and help the kids adjust to Ryan's home. Gina fears her professional reputation is at risk after vouching for Jenn. Heather and Shannon try to repair their friendship. New housewife Katie accidentally fuels the fire when she reveals Jenn is harboring a grudge against Gina.

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 for her and her family.

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. Meanwhile, Vicki and Shannon discuss the future of their live show without Tamra as their Tres Amiga, but things take a turn when Shannon reveals John is demanding $75,000.

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 when Tamra confronts Shannon about her DUI. And when Shannon storms off, Alexis shows the receipts John has been holding onto.

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.

In La Quinta, Shannon breaks down over the impending lawsuit with John, and tension between Gina and Emily finally bubbles over on the pickleball court. In Big Bear, the ladies bond over divorce, but when they pack up to leave, Alexis gets a call from John that sends her spiraling. After hearing that Shannon has changed, Tamra invites her to share a meal to see if there's any hope of moving forward.

Emily analyzes her harsh behavior towards Jenn. Shannon gets a breathalyzer installed in her new car. Katie takes her daughter to legally change her name. The ladies reconvene for a special murder mystery-themed party where the Tres Amigas come face-to-face to hash out their issues.

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.

Shannon's lawsuit takes a turn as she deals with the aftermath of the video news. Katie wants Heather to finally hear her truth, causing an upheaval in her friendship with Gina when a new rumor comes to light about Gina's career. At Heather's fashion show, Emily relives her body image issues.

Shannon and Vicki head to St. Louis for their live show tour. Heather and Alexis attend the GLAAD Awards. Tamra and Katie's daughters bond over similar childhood experiences. Jenn hosts a poolside party where Alexis is cryptic about a new development in the ongoing lawsuit. Emily confronts Heather for feeling singled out during Heather's fashion show, leading to an explosive confrontation.

Tamra and Jenn try to find common ground between their men. Gina reflects on her ex-husband's new engagement. Shannon is rocked by a bombshell article about the lawsuit. Heather accompanies Terry to get rhinoplasty. Katie hosts a couples dinner party where Ryan finds himself in the hot seat with Tamra.

Tamra reveals more surprising information about Ryan, leaving Jenn to question her friendship with Tamra once again. Emily and Heather discuss body image. Shannon hosts a tea party to reveal she's taking (almost) everyone on a trip to London to celebrate her 60th birthday. Alexis learns her olive branch to Shannon didn't blossom the way she intended, and she's cordially not invited.

The ladies travel to London for Shannon's 60th birthday, but things quickly take a turn when Tamra and Heather question Shannon's radio interview regarding the lawsuit and details about the night of her DUI. Katie opens up to the group about her birth mother. When confronted with alleged contradictions, Shannon storms off and reveals proof that Alexis was tied to her lawsuit in 2018.

Shannon's 60th birthday extravaganza continues, but the mood is anything but celebratory when Tamra and Shannon continue their friendship war. The ladies hop on a double-decker bus tour where Gina questions Heather about another issue in their friendship and Jenn finds out there is gossip surrounding her financial decisions. When secret texts are exposed that allege Tamra dug up dirt on Ryan, Jenn confronts Tamra in an explosive showdown.

Jenn demands answers about the background check on Ryan, but Tamra explains the twisted truth as Shannon departs from the group to meet up with her daughters. Heather learns that Katie is spreading rumors about her that involve the kids. After the ladies explore the English countryside, Gina becomes collateral damage when Tamra reveals that Shannon allegedly had damning info about Gina to expose at last year's reunion.

In the season finale, Jenn returns from the Bahamas and announces her engagement. Alexis and Katie host an engagement party where Heather and Emily confront Katie over allegations made about Emily's twins, leading Katie to reveal she has more proof that Heather is liar. Gina and Travis discuss the future of their family. Ryan makes headlines when his name is involved in a national bombshell that sends shockwaves in the OC.

The OC ladies come face-to-face for a dramatic reunion. Shannon and Tamra hash out their conflicting versions of events following Shannon's DUI. Heather confronts Katie on the paparazzi rumors before teaming up with Emily and Gina to grill Katie about recent shocking headlines, forcing Katie to defend her past. Jenn is placed in the hot seat when the group brings up details of the FBI investigation involving her fiancé, Ryan.

The reunion continues with Jenn questioning her rocky friendship with Tamra while taking heat for her financial choices. Emily addresses Heather about the fashion show fallout. Emily and Heather interrogate Katie about her daughter's social media antics. Alexis Bellino joins the women on the reunion stage.

The reunion concludes with a heated faceoff between Shannon and Alexis as they discuss discrepancies in the lawsuit with John Janssen and their dating timelines. Emotions run high as Tamra and Shannon discuss the future of their friendship. The ladies react to unseen footage of John's interview where he opens up about his relationship with Shannon.