Florence Henderson to release tell-all memoir

LOS ANGELES

Henderson, who played the wholesome mother in that beloved family sitcom, was cheating on her real-life husband.

The actress also wrote she once got a minor sexually transmitted disease after a one-night stand with a former mayor of New York City.

"What a way to put the kibosh on a relationship," she wrote.

She also shoots down the myth she had an affair with Barry Williams, who played her TV son Greg Brady, but said he did have a crush on her.

The book, "Life is Not a Stage," is set for publication in September.

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