Tina Yothers, who many know as the third child of the Keaton family, Jennifer, in the hit sitcom Family Ties, looked unrecognizable during a rare sighting near her home in Los Angeles, Calif.

In a television movie based on NBC-TV's comedy series "Family Ties," the Keaton family visits historic London for a vacation to be remembered. Steven and Elyse unwittingly become embroiled in ...