The Most Shocking & Disturbing Real Housewives Drama Of The Year

2015 began for Teresa Giudice behind bars. The 43-year-old Real Housewives of New Jersey star entered the Federal Correctional Institution in Danbury, Connecticut on Jan. 5 after getting sentenced to 15 months behind bars for fraud and tax evasion charges. As RadarOnline.com previously, she is schedule to be released on Dec. 23.

Ever since getting diagnosed with Lyme disease, Yolanda Foster, 51, has been battling not only her health issues, but her Real Housewives of Beverly Hills costars who have been questioning if her diagnosis is real. As RadarOnline.com reported, Foster plans to unload tons of evidence proving that she is in fact sick. Unfortunately the former fashion model and her husband David Foster, 66, announced on Dec. 1 that they were getting divorced.

Over the past season of Real Housewives of Beverly Hills, Brooks Ayers, 47, was accused of faking a cancer diagnosis. During an interview with Andy Cohen, 47, in November, he maintained that he is actually sick despite faking his own medical records. He also called out his ex Vicki Gunvalson, 53, saying that "she misspoke quite a bit" about his situation.

Kim Richards, 51, had a pretty epic year. She ditched a rehab stay in August after being hospitalized on a 5150 hold . Her struggles began when she was arrested in April for public intoxication and then went from bad to worse when she went MIA after relapsing at her daughter Brooke Brison's wedding in Mexico and was fired from RHOBH. But Kim's sister, Kyle, 46, confirmed that she is "sober." Kim has also filmed some screen time for the current season of RHOBH.

Porsha Williams, 34, may have brawled with Kenya Moore, 44, in 2014, but the RHOA star didn't throw down her fists for 2015. In the 8th season of Atlanta, Williams got into a nasty fight with Cynthia Bailey, 47, on a boat. The two made up, but just days after the battle aired, Porsha got into a tussle with her friend Jami Zeigler at a cast party, pulled her weave out and threw it to the ground. However, the police were not called.

As RadarOnline.com previously reporter, Ramona Singer was escorted out of a party with her date after creating a scene while drunk. "She offended everyone," a witness told RadarOnline.com about the 59-year-old RHONY star. "People were standing there with their mouths open because she was screaming and yelling at anybody that got in her path." Singer couldn't be reached for comment.

In June, NeNe Leakes revealed that she would not be returning for season 8 of RHOA. "This is so hard for me to type! I cry as I do so! After seven seasons, I have decided not to return to #RHOA …" she said. But she wasn't gone for good. The RHOA star will be making an appearance during the wives' trip to Jamaica.

Dina Manzo, 43, made a brief return to Real Housewives of New Jersey for season 6, but as RadarOnline.com reported, she won't be coming back for season 7. Instead, she has been playing house with her much younger boyfriend David Cantin — who was separated from his wife when they started dating — in California for months now.

After a one season run, Amber Marchese, 38, and her husband Jim, 46, quit RHONJ in November. "I don't need the money," Jim told RadarOnline.com. "I never wanted to be famous. I never wanted to be an actor."

In May, RadarOnline.com revealed that Joe Giudice, 43, was spotted out on the town with a strip club vixen, who was much younger than his imprisoned wife. But Giudice denied the cheating accusations during an interview in October. A source also told RadarOnline.com that his wife Teresa has no intentions of divorcing him.

At Sonja Morgan's 52nd birthday party, the Real Housewives of New York City star revealed her new proseco line called "Tipsy Girl," which many claimed sounded very similar to her costar Bethenny Frankel's Skinnygirl $100 million empire. Page Six reported that Morgan's business partner trademarked "Tipsy Girl," but that Frankel's company had also patented "Tipsygirl." Morgan could not be reached when RadarOnline.com reached out for comment.

Throughout the current season of RHOA, Cynthia Bailey has been fending off rumors that her husband Peter Thomas, 55, cheated on her. After episodes of marital war, the couple recently decided to work on their issues. Thomas has since had to deny another series of cheating allegations.

In August, Kristen Taekman's husband Josh admitted to using an Ashley Madison account after reports linked him to using the cheating website. "I signed up for the site foolishly and ignorantly with a group of friends and I deeply apologize for any embarrassment or pain I have brought to my wife and family," the RHONY star, 46, told People. "We both look forward to moving past this and getting on with our lives."

Kim Zolciak, 37, has openly talked about getting Botox, but a top plastic surgeon weighed in this year saying it looked like the former RHOA star has gotten a nose job, lip injections, and lash extension.

In September, Ramona Singer's ex-husband Mario Singer, 62, brought his girlfriend Kasey Dexer as a date to a party. "When they came in, people were shocked he was with her," an attendee at the party told RadarOnline.com. "They couldn't believe they were still together." Dexter is said to be the reason the Singers' marriage came to an end.

On the last season of Real Housewives of Orange County, Shannon, 51, and David Beador, 51, spent the majority of the season fighting to save their marriage after they decided to expose his 8-month affair. As of November, the couple was attending couples counseling.

During the RHOC reunion in October, Tamra Judge, 48, accused her ex-husband Simon Barney, 51, of turning their oldest daughter Sidney, 17, against her, leading to a two-year estrangement.

On last season of RHOBH, Lisa Rinna, 52, shot down rumors that her husband Harry Hamlin, 62, cheated on her. RadarOnline.com reported in November that the allegations again resurfaced while filming the new season. "Lisa was furious this was continuing into another season and insisted it wasn't true," a source said.

In December, Heather Dubrow, 46, revealed that she and her husband Dr. Terry Dubrow, 57, were scammed out of nearly $2 million. "This was an accounting scam," Dubrow told ET .

As RadarOnline.com previously reported, RHOC newbie Meghan Edmonds moved to California just to be on the show. "She has always wanted to be famous," an insider close to the 31-year-old wife of baseball legend Jim Edmonds, 45, said. "She knew if she moved, she could get a spot on the show."