As if those awkward tween years weren't difficult enough, child stars have to spend them in the spotlight. But what happens once they grew up? We're finding out what your favorite '70s stars are up to today, starting with Maureen McCormick. Not only did '70s kids watch Maureen play squeaky-clean Marcia Brady on "The Brady Bunch," but little girls got to play with her at home. The actress voiced the redesigned Chatty Cathy doll in 1970.