My Girl:' Kelly Ripa, Hilary Duff and 12 Other Celeb Parents Who Sweetly Celebrated National Daughter's Day Haylie Duff Opens Up About Having a Nanny for Her Two Daughters: 'My Job Doesn't Stop ...

Over the years, the series' ever-changing cast included Ashlee Simpson, Haylie Duff and future "Man of Steel" Tyler Hoechlin. See additional photos from the 7th Heaven via Mitchell's Instagram ...