Suzanne Somers (born Suzanne Marie Mahoney; October 16, 1946) is an American actress, author, singer, businesswoman and health spokesperson, known for her television roles as Chrissy Snow on Three's Company and as Carol Lambert on Step by Step.Somers later became the author of a series of best-selling self-help books, including Ageless: The Naked Truth About Bioidentical Hormones (2006), about bioidentical hormone replacement therapy.