The Real Housewives of Orange County

The women deal with lingering drama from last year; Vicki finalizes her divorce.

Peggy decides to end her friendship with the women; Gretchen poses nude.

New housewife Heather throws a "painting party" to get to know the ladies. Alexis and Vicki make snide remarks to Gretchen and Tamra about their budding friendship, and Alexis envies Heather's perfect life. Gretchen and Slade dig up questionable information about Vicki's new boyfriend that is sure to send shockwaves through the OC.

Heather and Alexis try to bury the hatchet while Slade's stand-up comedy embarrasses Gretchen given his source material is based on her friends!

Heather tells Tamra that she and Vicki were the butt of Slade's jokes in his insulting comedy routine, and Tamra is not amused. Vicki feels insulted but is distracted by Briana's upcoming thyroid surgery. Alexis is nervous about her upcoming nose surgery because she's convinced that her doctor must remove her nose entirely. At Tamra's '80s-themed Bunco party, a friend brings up Slade's jokes and a simmering controversy explodes. While Gretchen jumps to Slade's defense, Tamra tries to diffuse the situation by revealing a surprise - much to Vicki's horror.

The Bunco Party takes an uncomfortable turn when Slade and some of the OC men, invited by Tamra, join the party. Confronted immediately by Vicki about his comedy routine, Slade aggressively defends himself. Gretchen and Vicki get into a vicious screaming match, where Gretchen accuses Vicki of being a hypocrite. Alexis gets defensive when Tamra and Heather call her out on her upcoming nose job. Later, once the party drama has passed, Alexis goes in for her surgery, and Vicki's daughter Briana heads to the hospital to have her thyroid removed, fearing the worst - cancer.

A nervous Alexis undergoes sinus surgery, where her plastic surgeon additionally removes a bump from her nose. Meanwhile, Vicki is distraught as Briana's thyroid surgery went worse than expected. Tamra visits her doctor and decides to have her breast implants removed. Heather travels to LA in a helicopter to get advice on opening a restaurant. Gretchen watches a rehearsal of the Pussycat Dolls in preparation for her Las Vegas debut, but will she realize that she's in over her head?

Alexis gets her nose cast removed; Tamra, Gretchen and Heather do a "Mud Run" for charity.

Both Tamra and Vicki's romantic relationships are moving full speed ahead. While Eddie stands by Tamra's side through her breast implant removal surgery, Vicki shares very personal information with Brooks. Alexis continues her work at the local news station, but Jim wants her to return to being a full-time, stay-at-home mom. Later, Heather invites the housewives to a fun night of bowling and champagne, but chaos ensues when Gretchen's friend Sarah erratically confronts Vicki.

Alexis plans a "glamping" trip with the girls, but then backs out; Vicki visits Tamra.

Heather goes to Hollywood for an audition; Alexis hires a coach; the ladies watch Gretchen perform.

Gretchen gets through her big performance with the Pussycat Dolls. Back in the OC, a get together leads to Terry insulting Alexis.

A wine party leads to a big announcement from Vicki and a difficult interlude between Briana and Vicki's new love, Brooks.

Slade enlists Heather to go engagement ring shopping with him, but Gretchen and Heather's subsequent conversation throws Slade's plans for a loop. Alexis throws an over-the-top birthday party for her four-year-old twins, while Tamra goes under the knife to have her "Simon" tattoo removed from her finger.

Brooks tries to support Vicki; Tamra and Slade hash out their past.

The ladies travel to Costa Rica; Vicki's erratic behavior has the others worried.

On another high octane day in Costa Rica, Alexis flees the criticism of the others for the safety of the OC, while Vicki breaks down.

Alexis faces her biggest test yet: reporting on-location for her final Fox 5 news segment, while Vicki pushes Brooks to fix his teeth. Meanwhile, Gretchen accidentally uncovers Slade's plan to propose, leading to a confrontation that puts them over the edge.

All the women attend an extravagant party at Heather's house to celebrate her new last name. Vicki flaunts an expensive gift from Brooks, while tension still runs high with her and Briana. Alexis faces Gretchen and the other women for the first time since Costa Rica. Tamra is having a good time until Jeana shows up, re-opening old wounds. And then drama hits an all-time high when Alexis' friend, Sarah, commits the ultimate party foul, spinning everything and everyone out of control.

The drama continues at Heather's opulent party in this season's finale. Sarah's bizarre actions force Heather to take drastic action. Tamra and Gretchen commemorate their new friendship with a heartfelt gift. Alexis' husband, Jim, crashes the party and confronts Heather's husband, Terry, about calling Alexis phony. Meanwhile, Brooks instigates an explosive fight between Vicki and Tamra that leaves the future of their friendship in doubt.

Alexis demands an apology for being called phony; Gretchen accuses Vicki of hypocrisy.

Brooks gives the women a piece of his mind; when Briana joins the group, new questions are raised.

Andy Cohen gathers the top 20 moments from the Real Housewives' reunions. From walk outs, put downs and blow ups, these unforgettable moments make the list.