Health and fitness celebrity Richard Simmons filed a libel lawsuit Monday against the National Enquirer and Radar Online in response to stories that he was transitioning from a man to a woman.

Richard Simmons attends the 2013 MTV Video Music Awards at the Barclays Center on Aug. 25, 2013 in the Brooklyn borough of New York City.

One year after Richard Simmons died following a fall in his Beverly Hills home, the aerobic instructor's housekeeper Teresa Reveles clarified longstanding rumors about the pair’s relationship.

Nearly a year after Richard Simmons' death at age 76, those closest to the fitness guru reflect on his roughly decade-long public absence "He just went cold turkey on everyone," says his former ...