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Selma Blair's future on FX's "Anger Management" may be in jeopardy after a disagreement with the show's star, Charlie Sheen, according to TMZ.

The clash started when Blair allegedly complained to "Anger Management" executives about Sheen's unprofessionalism and called him a "menace" to work with. Sheen found out about Blair's comments and, according to the report, said he fired Blair himself.

He also told the show's crew that he would refuse to shoot if she showed up on the set Monday, according to TMZ.

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Sheen reportedly already has his eye on a replacement for Blair: Mila Kunis (who happens to be dating Ashton Kutcher, who replaced Sheen after he was fired from Two and a Half Men). Sheen has extended an offer to Kunis to guest-star on Anger Management for 10 episodes, at a rate of $1 million per episode, TMZ reports.

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Blair isn't the only celebrity to get on Sheen's bad side lately. Last week, he sent an angry letter to Teen Mom-turned-porn star Farrah Abraham calling her a "desperate guzzler of douche agua."

E-mails to FX, as well as Blair's and Sheen's reps, were not immediately returned.