By Breaking Celebrity News Staff

Halle and Gabe, Tiger and Elin, Charlie and Brooke … we've seen many a celebrity family meltdown over the holidays, and while we knew there was bad blood between Brandi Glanville, her ex-husband Eddie Cibrian and his current wife LeAnn Rimes, we just didn't know it was quite this toxic.

The latest chapter of conflict between the reality star, the hunky actor and the singer unfurled Tuesday, when Brandi ripped LeAnn in an interview with US, calling her a mentally unstable presence she doesn't want around her young sons, Mason and Jake.

"I see this ending badly -- I see someone getting hurt," Brandi said, adding of LeAnn: "She's not healthy. And until she's healthy, I don't want her around my children by herself … these are my children and I don't want this unstable person around them when she's alone."

"I know that my kids love her, and I know that she's upset. I, unfortunately, don't find her to be stable, and I don't want her around my kids when Eddie's not there -- or at least the nanny, his parents, someone … God forbid anything ever happened between her and Eddie. She uses my children as a tool to get to me, and I don't know if she cares about them the way that Eddie thinks she does.”

Brandi complained that anytime she reaches out to either Eddie or LeAnn, she does not get a response, causing her to turn to Twitter to air her grievances -- at which point one of the two inevitably jumps in to do damage control.

"If I have to use it as a tool to co-parent, I will, and it is what it is," The Real Housewives of Beverly Hills star said. "I needed him to reac