UPDATE: B. Smith, model turned lifestyle guru, dead at 70

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NEW YORK (AP) -- Model, restauranteur and lifestyle guru Barbara "B." Smith has died at her Long Island home, her family announced in a statement on social media. She was 70.

Smith died Saturday evening after battling early onset Alzheimer's disease, which she was diagnosed with in 2013. Her husband, Dan, said "heaven is shining even brighter now" in a lengthy Facebook post honoring her life.

B. Smith, a model turned lifestyle guru and restaurant owner, dead at 70 after battling early onset Alzheimer's disease.