What (and what not) to order at the restaurant You've heard how diet-unfriendly dining out can be (2,120 calories for cheese fries with chili and ranch dressing at Chili's!), but healthy, low-cal options do exist at your favorite chain restaurants. "You just have to know what and how to order," says Cynthia Sass, RD, author of "S.A.S.S. Yourself Slim: Conquer Cravings, Drop Pounds, and Lose Inches." Many chains are expanding the healthy fare sections of their menus. Follow the lead of these famous diet doctors, nutritionists, and trainers, who swap sauces, skinny up cocktails, and even order off the menu. Health.com asked celebrity chefs and health pros to choose which items are worth ordering when you eat out and which dishes you should pass on. Continue on to find out more.