Despite a very public TV breakup, The Real Housewives of Orange County star Vicki Gunvalson and Brooks Ayers are back together.

The on-again, off-again pair have been spending time together -- even though Ayers dumped his long-time girlfriend on the dramatic reunion show.

As Radar Online first reported, original Bravo castmates, Jeana Keough outted the couple for still being together when she tweeted on Sunday night, "@vgunvalson Had a great time with you and Brooks last night, and your grandson is so cute…."

"Vicki is still with Brooks. She just can’t quit him,” an insider told Radar. "It's sort of complicated, but despite everything out there proving what a monster he can be, she still doesn’t believe anything bad about him."

'RHOC' Reunion: Vicki Gunvalson Puked 'Three Times' 

The pair have had a very rocky romance. Back in July, Gunvalson told several media outlets she was single, after dating Ayers for over two years.

"I'm single now. We have decided to remain friends but we have decided to move on and date other people," Gunvalson said. "We came to the realization that it was harder to stay together than it was to be apart."

In June, Ayers ranted on Twitter, writing to Gunvalson: "My heart is very heavy because of you. The world doesn't revolve around you alone, especially when you're in a relationship."

He continued to tweet: "I should've known that you'd betray us for you. I did the opposite."

The RHOC star didn't answer him directly, but she did tweet to a follower: "I just underwent something very sad. I'm human & I love you & my fans. Please forgive me but I'm human."

Ayers later re-tweeted another person's inspiration quote. "Right person, wrong time."

Brooks Ayers Rants: 'I Feel Betrayed' 

The pair's relationship has been a roller coaster from the beginning. On the Bravo reality show, Lauri Peterson dropped a bombshell, claiming Ayers was dating a "stripper slash porn star" who was friends with her daughter.

"This friend of my daughter's, she gets paid to do some very questionable activities," Lauri revealed to her Real Housewives of Orange Country co-stars.

Tamra Barney added: "I've known there was something you just can't trust about this guy. And now, to hear he's out with young girls? I really feel sorry for Vicki."

According to Ayers, Lauri's story is completely false. Responding to someone on Twitter who tagged Ayers in an article about him cheating, he replied, "This story is another fabrication of the truth. Unreal."