Suzanne Marie Somers (née Mahoney; October 16, 1946 - October 15, 2023) was an American actress, author, and businesswoman. She played the television roles of Chrissy Snow on Three's Company (1977–1981) and Carol Foster Lambert on Step by Step (1991–1998). Somers wrote more than 25 books, including two autobiographies, four diet books, and a book of poetry. She was also well known for advertising the ThighMaster, an exercise device.