JB Lacroix / WireImage 1 / 3
JB Lacroix / WireImage 1 / 3

The Real Housewives of Orange County star Vicki Gunvalson opened up about her split from Brooks Ayers on Monday's Watch What Happens: Live.

The reality star got candid with host Andy Cohen about why she and Brooks ended their relationship.

"There were a lot of things," Vicki admitted, adding that one of the biggest elements was the continuing conflict between her daughter Brianna and Brooks.

"Him being from the South, he really wanted to go back to the South," Vicki said, adding that the "stress of the show" was yet another factor. "At the end of the day, it just didn't work anymore."

WATCH: 'Real Housewives' Star Brooks Ayers Speaks Out on 'Fake Cancer' Claims

The 53-year-old, who lost her mother earlier this year, also revealed none of her RHOC cast mates have reached out to lend support.

"They still have their mother and they still have their partner so I had two huge losses this year and they're not there for me," Vicki shared. "It makes me realize we're just TV friends, I guess."

While fielding questions from viewers, Vicki also opened up about whether or not she blames co-star Tamra Judge for starting rumors that Brooks may have been lying about having cancer.

"I think the whole thing is pretty disgusting," Vicki said, pointedly. "I don't understand it at all, I just think it's really odd and awkward."

WATCH: Brooks Ayers Slams 'Real Housewives of Orange County' Castmates Who Don't Believe He Has Cancer

Brooks, who says he was diagnosed with Stage 3 Non-Hodgkin's lymphoma, has been at the center of speculation generated by some RHOC castmembers who claim Brooks has been lying about the diagnosis.

Brooks has staunchly denied these allegations, and has accused Tamra and a number of other Housewives of creating "manufactured drama" for attention and ratings.