Who Is Melissa McKnight: Biography, Wiki, Career, Net Worth And More Who Is Melissa McKnight? Melissa McKnight, known as Missy, is an actress and former model who gained widespread recognition as the ex-wife of Matt LeBlanc, famous for his role on”Friends.”Missy McKnight’s notable appearances include roles in “Triangles and Tribulations” (2001), “VH1: All Access” (2001), […]