Not long after making his first red carpet appearance alongside his new lady, tabloid rumors tell that Mel Gibson has impregnated his Russian girlfriend, Oksana Grigorieva.

According to the National Enquirer, the “Lethal Weapon” hunk announced the big news to his grown children from his previous marriage with now ex-wife, Robyn – explaining that his 39-year-old lover is three months along.

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“In late April, Mel gathered his children at the family home in Malibu and broke the news that Oksana is pregnant, and he expects them to accept the baby as a new sibling,” the National Enquirer’s source alleges.

“They are quite upset,” the insider continued. “Even though Mel assured them the pregnancy was unplanned, they’re furious with him and say they’re going to take steps to protect their inheritance, which they feel is in jeopardy.”