'Curb Your Enthusiasm' Star Richard Lewis Dead at 76

Richard Lewis, famous from "Curb Your Enthusiasm," has died ... TMZ has confirmed. The comedian and actor -- who starred opposite Larry David on his hit HBO show -- passed away Tuesday night ... with Bette Midler being one of the first people who noted it Wednesday. She didn't provide much detail, simply writing, "On a sad note, the great Richard Lewis has died." According to his rep -- he died from a heart…