Cleveland Cavaliers big man Tristan Thompson has filed a libel lawsuit against Kimberly Alexander, who says he's the father of her five-year-old son, according to TMZ.
Page Six's Francesca Bacardi reported May 14 that Khloe Kardashian, who has a two-year-old child with Thompson, sent a cease-and-desist letter to Alexander. Alexander subsequently referenced the allegations in a pair of Instagram posts. Thompson says he took a paternity test that concluded he was not the father of Alexander's child.
This article will be updated to provide more information on this story as it becomes available.