Alongside the heartwarming caption, Mitchell posted a montage of photos from over the years, including several throwback pics ...

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 ...

Not only does the cast ... 7th Heaven followed the family of seven: Reverend Eric Camden (Collins), his wife Annie (Catherine ...

7th Heaven was a drama series ... The children of the cast included Ruthie (Mackenzie Rosman), Simon (David Gallagher), Lucy (Beverley Mitchell), Matt (Barry Watson) and Mary (Jessica Biel).

Related: The 7th Heaven Cast Had 'Instant Chemistry' on Day 1: 'We All Liked Each Other' (Exclusive) Biel and Mitchell starred as sisters Mary and Lucy Camden in 7th Heaven, which ran from 1996 ...