Vicki Gunvalson
Vicki Gunvalson, photographed at the 2015 NBC Universal Cable Entertainment Upfronts in New York City on May 14, will not be discussed in Brooks Ayers' upcoming tell-all book due to a binding contract agreement. Getty Images

Brooks Ayers is ready to dish up some serious dirt in his forthcoming tell-all book, but there's one subject that's completely off limits: his ex-girlfriend Vicki Gunvalson. According to new reports, one minor hang up will prevent Brooks from writing about the "Real Housewives of Orange County" star.

In a recent interview with E! Online Vicki's reps said the reality star and insurance mogul couldn't care less about Brooks' book deal. The exes, who split in 2015 after the truth about Brooks' cancer came to light, are said to have come to an agreement about what he is and is not allowed to right about in regards to their relationship — spoiler alert: there isn't much that Vicki, 53, OK'd. Her reps said the agreement, which was penned quite some time ago, was "fiercely written and executed" and should protect Vicki and those close to her.

"He can write whatever he wants except he cannot write about Vicki, her career, family or anything else concerning her. Vicki long ago had the boyfriend sign a fiercely written and executed confidentiality agreement," her reps said. "He cannot write about her at all. That was signed in the very beginning [of their relationship]."

After their ugly public break up it was reported that Vicki and Brooks had reunited in November. The "RHOC" star quickly squashed those rumors, which were started by Brooks. She told E! at the time that she "did not reach out to him," adding that he was "lying." Her comments came after an exclusive interview by Brooks in which he claimed Vicki texted him after seeing one of his many interviews about his alleged cancer diagnosis.

The ailment, as fans will recall, is what tore the pair apart. During Season 10 of "RHOC" many members of the cast had doubts about Brooks' claims he was battling stage four non-Hodgkins lymphoma. As questions continued to pop up, Brooks and Vicki did as much damage control as possible. After the season wrapped Vicki admitted she had her doubts about his diagnosis. It was later revealed that some documents he presented during the season, claiming they had come from a cancer specialist after a scan, were falsified. Vicki vehemently denied having any knowledge about this fact.

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