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It's been seven months since Leah Remini and Holly Robinson Peete left The Talk, and now Remini is finally ready to spill the beans about their surprise exits.

On Monday, Remini blamed co-host Sharon Osbourne, 59, for getting them axed from the CBS talk show. "Sharon thought me and Holly were 'ghetto'. . . we were not funny, awkward and didn't know ourselves," Remini, 41, tweeted. "She has the power that was given to her."

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(Remini was tweeting in response to a radio interview Osbourne had done with Howard Stern, 58.)

Osbourne denied Remini's claims via Twitter Tuesday, saying: "In response to Leah Remini's continuous comments that I had her fired from The Talk, let me just go on the record to say I had absolutely nothing to do with her departure from the show and have no idea why she continues to take to Twitter to spread this false gossip."

"Leah knows that I have never been in the position to hire or fire anyone on the show," Osbourne added. "That being said, my only wish is that Leah would just stop all this negative, unprofessional and childish behavior. It's been seven months. . .it's time to move on. Leah is a very talented actress and I only wish her happiness and success."

She concluded: "I know that better things are to come if she can just get beyond all this negativity."

Remini didn't stop tweeting, though. On Wednesday, she argued that Osbourne "just wants publicity out of this" and said she has no intention of keeping quiet. "If someone wants me to stop, they should call a lawyer and tell them what I am NOT telling the truth about," Remini told her followers. "We can go from there."