RIP, SUE ANN: Betty White, Dead at 99. “A source close to Betty tells TMZ … she didn’t have any sudden illness, nor was she battling any particular ailment. We’re told she’s believed to have died from natural causes. Beloved actress, comedian and American icon Betty White has died, just weeks before a milestone birthday … TMZ has learned. Law enforcement sources tell TMZ … Betty passed away at her home just before 9:30 AM Friday.”