She is notable for starring in many television series. Somers is best known for playing the part of Chrissy Snow on the first five seasons of Three's Company, she left due to a contract dispute with ABC. She later made her comeback with the shows "She's the Sheriff" (which was syndicated) and "Step by Step" (which aired on ABC). She has written many bestselling books.
Somers was diagnosed with stage 1 breast cancer in 2000. She had a lumpectomy and has recovered. She been criticized for her strong views about medical subjects. Her promotions of alternative cancer treatments have been subject to criticism from American Cancer Society.
In 1977, she married Canadian producer Alan Hamel.