Mackenzie Rosman was just 6 years old when the first season of "7th Heaven" aired in 1996, and by the time it ended in 2007, she was almost an adult. Now, you might have trouble recognizing her.

Beverley Mitchell, David Gallagher and Mackenzie Rosman, best known for their roles of Lucy, Simon and Ruthie, respectively, on “7th Heaven,” are speaking out about their former TV dad, Stephen ...