She became a star when she was just 14 on The Facts of Life, but she quickly learned that life can be tough. This profile of Nancy McKeon follows the popular performer's career through all its triumphs and disappointments. McKeon had a difficult transition from child star to adult actor, struggled with two sitcom failures, and just missed being cast as Monica Geller on Friends. But strong performances in TV movies helped keep her in the public's eye, and she enjoyed a four-year run in The Division. Now married with two children, McKeon plays Demi Lovato's mom on the popular Sonny with a Chance.