Looks like Tristan is taking a page right out of the Kardashians playbook.

Thompson is suing the woman who claims he is the father of her five-year-old son.

Thompson filed a libel lawsuit against Kimberly Alexander (HER PICS ABOVE), who alleges the NBA star fathered her son, according to TMZ.

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Thompson did take a paternity test that came out as negative back in January, yet Alexander has continued to claim he is the father of her child.

The legal documents state the paternity test ‘definitively concluded that [he] is not the father.

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