Brad Pitt and Emily Ratajkowski Are 'Spending a Lot of Time Together,' Says Source

The source says that the Bullet Train actor, 58, and the model, 31, "are spending a lot of time together.

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However, they add that "friends aren't sure if it's serious," and the two don't "appear to be 'dating' formally."

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A rep for Ratajkowski did not immediately respond to PEOPLE's request for comment.

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Earlier this month, Ratajkowski filed for divorce from film producer Sebastian

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Bear-McClard in Manhattan Supreme Court after four years of marriage, according to court records obtained by Page Six.

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The outlet reported the filing was contested, meaning the terms of the divorce have not been resolved between the spouses.

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