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Mel Gibson, Oksana Grigorieva

Dominique Charriau/WireImage; Michael Caulfield/Getty Image

Have you heard the one about Oksana Grigorieva accusing ex Timothy Dalton of abuse, not unlike what she's currently claiming against Mel Gibson?

Well, her lawyer has, and he's calling bunk.

E! News sat down with attorney Daniel Horowitz, who discussed the "cowards" on Team Mel, Oksana's newly jacked-up child-support payments and an appearance on a certain daytime talk show…

Asked about a TMZ report claiming Grigorieva lodged similar abuse allegations against Dalton, with whom she has a teenage son, Horowitz refutes the claim.

"The lie is from the people who made that accusation. Here's my face. Where's the face of the person who made that accusation? It doesn't exist. Ghosts can say anything. Ghosts can leak anything. But they are cowards.

"All I can say is I'm used to beating up cowards. I just beat up a coward on air. Show your face."

As far as the child support payment increase for Oksana and Mel's daughter, Lucia, Horowitz understands that $20,000 a month may seem outrageous to us normal folk, but for Hollywood, it's the norm.

"The judge said by Hollywood standards, this is the standard and correct number and I don't want to hear any arguments that somehow she should get less than any other child."

Lastly, will Oprah Winfrey be in Grigorieva's future?

"Who is Oprah? No comment on anything about that."

Hmm, a little bird told us the the Oksana-Oprah summit was a done deal. We'll have to wait and see.

—Reporting by Marcus Mulick