LeAnn Rimes, Eddie Cibrian Blast Brandi Glanville for "Spewing Inaccuracies"

LeAnn Rimes and Eddie Cibrian aren't sitting back and taking what Brandi Glanville is dishing out.

In response to Glanville's claim to Us Weekly that son Mason got sick after ingesting stepmom LeAnn's laxatives, Rimes' rep fired back in no uncertain terms, calling Glanville's public gripes about Rimes "threatening and mean-spirited" and obvious attempts to get attention.

"Her whole show is based on controversy, drama and publicity," Rimes' rep Marcel Periseau said in a statement to E! News of the Real Housewives of Beverly Hills player. "She is the only one to gain by spewing forth inaccuracies, rants and half-truths. It's time for people to see it for what this really is...What better way to keep herself relevant?"

Glanville, meanwhile, tells E! News that the story she gave to Us Weekly regarding her concerns about Rimes' parenting skills—including the laxative claim—is "all true."

"Why is all the name calling just coming from one side?" Periseau continued. "Brandi keeps using threatening and mean-spirited statements like 'I think she is a sociopath,' 'I don't hate her I feel sorry for her but if she hurts my kids I will cut a b--ch or probably something worse,' 'I wanted to kill her,' etc. and all LeAnn says is 'my boys,' 'my family' etc. Are LeAnn's words threatening or mean-spirited? I beg to differ. LeAnn and Eddie have the boys 50 percent of the time, so they are a family and LeAnn is a great and caring co-parent. As Brandi stated 'my boys love her' and LeAnn loves them.

"Brandi keeps grasping at straws to make LeAnn seem like an unfit person. Brandi's story changes daily, one day it's an eating disorder, one day it's Twitter, one day the boys aren't safe, etc. She says she hasn't seen or spoken to LeAnn in months but yet knows everything that is going on. None of Brandi's allegations are true. People need to see it for what it is—PUBLICITY!

"It's time for Brandi to move on," he concluded. "LeAnn has!"

Cibrian, meanwhile, took his ex-wife to task in an email that Glanville tweeted out (along with her scathing, profanity-laced response) writing, "I know your life exists solely for the purpose of living and creating drama. It's a sad way to live. It's so obvious that you have to constantly mention my wife so people will care what comes out of your mouth. One day when...narcissism [is] not consuming you, you will realize how fortunate the kids are to have LeAnn in their life. She is amazing with them, as the kids will 100 percent attest to."

Cibrian's rep tells us that neither the actor nor his wife leaked the email.

Glanville also tweeted today, "Im not bitter Im concerned 4 MY kids,Im not n luv with EC n ANY way,Im happy 2 go BACK 2 therapy with them & PS I left him he didnt leave me."

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ETA: Brandi also responded saying that LeAnn is "Addicted to Adderall, Drinks Like A Fish & Has Severe Mental Issues!'"