News B. Smith, model-turned-TV host and lifestyle guru, dies at 70 after Alzheimer’s battle February 23, 2020 Hannah Yasharoff, USA TODAY Comments Off on B. Smith, model-turned-TV host and lifestyle guru, dies at 70 after Alzheimer’s battle Barbara "B." Smith, one of the country's first high-profile black models who became an author, restaurateur and lifestyle maven, died Saturday at 70.