Celebrities Suzanne Somers, star of ‘Three’s Company’ and ‘Step by Step,’ dead at 76 By Pamela Avila, USA TODAY, last hr USA TODAYFollow Suzanne Somers, best known for her roles in “Three’s Company” and “She’s the Sheriff,” has died at 76. Handout Suzanne Somers, best known for her roles in TV’s “Three’s Company” and “She’s the Sheriff,”…