June 6, 2012 - Christopher Polk/Getty Images North America more pics like this »
1. Jennifer Aniston

Jennifer Aniston's fear of flying developed after being caught in an electrical storm during a flight to NYC. "What scares me is taking off, because I don't understand how the plane gets up there," she once said. "I've heard all about the aerodynamics, the speed, the engine. Of course, when your number's up, it's up. Maybe I'm just a control freak." She has since mostly gotten over her fear.