Here's a look at how Linda Blair became the most unconventional of child stars-and what she's been up to since her exorcism.

Linda Blair is staying busy today and has continued to stay in the spotlight since her early role of "Regan" in The Exorcist ...

Child psychologist Linda Blair writes all about imaginary friends, why some children have them and what to do if you're worried about them. Have you ever settled on the sofa next to your child ...