Actress Mackenzie Rosman joined the cast of "7th Heaven" at just seven-years-old in 1996. Rosman played littlest sister and minister's daughter, Ruthie Camden, until 2007, when the longtime series ...

Actress Mackenzie Rosman joined the cast of "7th Heaven" at just seven-years-old in 1996. Rosman played littlest sister and minister's daughter, Ruthie Camden, until 2007, when the longtime series ...

Former 7th Heaven star Mackenzie Rosman is following in her big TV sister's footsteps, but we don't think Reverend Camden would approve.. Rosman, best known for playing Ruthie on the long-running ...

— Mackenzie Rosman (@Mack_Smack) March 28, 2013. Biel, who played Mary Camden on the show, posed topless for Gear magazine in 2000 when she was just 17.

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 ...