Vicki Gunvalson is done with Tamra Barney.

Vicki Gunvalson On Instagram: 'Not Everyone Is A Good Friend'

After Gunvalson was seen confronting Barney with allegations of her not being a good friend on Monday's new episode of The Real Housewives of Orange County, a source has claimed their friendship has come to an end -- and this time, it's for good.

“Vicki isn’t talking to Tamra and is vowing to cut her out of her life for good this time,” an insider told Radar Online on Wednesday. “Vicki had been willing to give Tamra another chance after all of the divorce drama with ex-husband, Simon Barney, but this was the final straw.”

Tamra Barney Under Fire After Sharing Photo With Meghan King Edmonds

During season 10, Barney not formed a close friendship new cast member Meghan King Edmonds, who has been vocal about her dislike of Gunvalson, but also openly questioned Gunvalson's then-boyfriend Brooks Ayers' cancer diagnosis.

“Tamra went behind Vicki’s back for months betraying her confidence about Brooks’ cancer,” the source continued. “Even though Vicki and Brooks are no longer together, she can’t forgive Tamra for this ultimate betrayal. There is no coming back for Vicki and Tamra. Their relationship was already on a very fragile ground, and this was the nail in the coffin.”

For more of Vicki Gunvalson and Tamra Barney, tune into The Real Housewives of Orange County season 10 on Monday nights at 9 p.m. on Bravo.