Instagram/Brian McKnight & Marc Lam Music R&B star Brian McKnight sues ex-wife, son, and media figures for alleged "malicious character assassination" over family accusations. April 23, 2026 AceShowbiz - Brian McKnight has initiated a legal battle against several individuals he accuses of orchestrating a damaging and financially motivated campaign against him. The renowned R&B artist has filed a lawsuit targeting his ex-wife Julie McKnight, his son Brian Jr., media personalities Marc Lamont Hill and Tasha K, as well as the New York Post.