Roommates, tension is heating up again between Brian McKnight and his family as he has reportedly filed a defamation lawsuit against his ex-wife Julie McKnight and his son Brian McKnight Jr. The suit doesn't stop there. PEOPLE reports that he's also suing media figures, Tasha K and Marc Lamont Hill as well as, New York Post, claiming they used his late son Niko McKnight's death to push a false narrative about him.