Categories Articles Robert De Niro and Grace Hightower Split After 20 Years of Marriage Post author By crystalg Post date November 20, 2018 TMZ.com Tags After, Grace, Hightower, Marriage, Niro, Robert, split, years ← Smoke from California’s wildfires is drifting across the US to New York — and it’s making pretty sunsets → 27 Target Black Friday deals you can get without dealing with the crowds or the cold