The Real Housewives of Orange County: Kelly Dodd vs. Jim Edmonds
In 2017, Meghan King Edmonds texted Kelly, who is married, "I heard you had a boyfriend." Kelly then responded, "A friend told me your husband has a mistress." Meghan, who was pregnant at the time with her and husband Jim's first child together, wrote, "We are pregnant for God's sake, Kelly. My God."
In October, Kelly said on E!'s Daily Pop that before they tied the knot, Meghan had an affair with Jim when he was married to his second wife. A source told E! News in response, "For people to insinuate that Meghan had an affair with Jim is completely bogus. Jim's second wife, Allison, was not romantically involved with Jim whatsoever when Meghan and him met."
Jim Marchese vs. The Real Housewives of New Jersey
On season six in 2014, Amber Marchese's husband often took part in nasty fights with his wife's co-stars.
The Real Housewives of Orange County vs. Brooks Ayers
In 2015, cast member Vicki Gunvalson announced that she and her boyfriend broke up after four years of dating. Months later, E! News learned exclusively he had lied about his cancer treatment, following accusations by her co-stars of allegedly faking his illness. He later expressed "deep regret" in "fabricating documents to 'prove' to the world that I, in fact, have cancer."
The Real Housewives of New York City: Jill Zarin vs. Mario Singer
In 2014, cast member Ramona Singer filed for divorce from her husband of 22 years amid rumors of infidelity. Jill minced no words, telling People, "Ramona has been protecting him. She looked the other way when people told her he was cheating."
The Real Housewives of Orange County: Vicki Gunvalson and Kelly Dodd vs. David Beador
On season 11 in 2016, Kelly told Shannon Beador that Vicki said David "beat the s–t out of you." Vicki also told the women that during a confrontation with David, she was "afraid of David hitting me just like he hit his wife." Shannon told her, "My husband didn't touch you and you f–king provoked him."
She denied the allegations again at the show's post-season reunion, saying, "My husband did not beat me. He had had an affair on me and I was doing my best to bring my family back together." She also said that in 2003, she called the police while she and David were having what she said was a "verbal argument."
In September 2017, co-star Meghan King Edmonds told Shannon that she Vicki reiterated her accusations against David and "has text messages that prove it."
It was revealed that October that Sharon and David have separated.
Peter Thomas vs. The Real Housewives of Atlanta
Cynthia Bailey's then-husband slammed most of her co-stars in 2011 in an interview with Uptown magazine, calling Kim Zolciak-Biermann "crazy as f–-k," saying NeNe Leakes "has a big-ass mouth" and saying Shereé Whitfield is "not cute."
The Real Housewives of Orange County vs. Eddie Judge
On season 12 in fall 2017, Vicki Gunvalson threw a party and gossiped with co-stars Gretchen Rossi, Lizzie Rovsek and Kelly Dodd about rumors that fellow cast member Tamra Judge's husband Eddie may be gay. Tamra later posted on Instagram, "How staged and wrong was that? The worst acting I've ever seen. They are nothing but homophobic bullies that think it's okay to try and out a straight man hoping to humiliate him."