Katie Cassidy – 31
David Cassidy was a popular actor back in the 1970s, thanks to his role as Keith Partridge in the sitcom, The Partridge Family. He once dated Sherry Williams and the two later had a daughter named Katie. Katie is already an established actress in the industry. Some of the popular roles she had were in movies like When a Stranger Calls, A Nightmare on Elm Street, and Black Christmas. She also appeared in popular TV shows like Gossip Girl and Supernatural. You can catch Katie in the series, Arrow. Incidentally, when David died in 2017, reports came out that he had left Katie out of his last will, and the reason escapes us.