O'Neal appeared in a handful of films in the '70s and '80s, including The Bad News Bears and Little Darling. In 2008, O'Neal was arrested for possession of crack cocaine. She was briefly married to celebrity tennis player John McEnroe.
Marie Osmond
At first, Marie Osmond was one of the only Osmond siblings who did not become involved with the music industry, but her tune changed after Donny rose to teen idol status. Osmond signed with the family's label and became a successful country music singer, as well as the host of variety show Donny & Marie alongside her brother.