"Portion control isn't about measuring; it's about ordering two appetizers instead of an entrée and cutting back on bread if you have pasta."

—Bethenny Frankel, author of Naturally Thin

"Keep fruit at work. It helps during the I-need-chocolate part of the afternoon."

—Diana Cerqueira, Health beauty assistant

"When I'm trying to drop a few pounds, I carry around a shaker cup of chocolate protein powder. If I'm ravenous, I add the water, and it fills me up so I don't eat something high-calorie instead."

—Bobbi Brown, founder of Bobbi Brown Cosmetics

"In the cafeteria I use a 4-by-4-inch Styrofoam box, and I put whatever I want in there. It's almost impossible to overeat."

—Ellen Kunes, Health editor-in-chief

"Brushing my teeth after dinner makes me less likely to eat again before I go to bed."

—Jo Miller, Health photo director

"Before I got in shape, a friend convinced me to take photos of myself wearing nothing but a sports bra and underwear. Anytime I fall off the wagon I look at those pics—that's all the motivation I need!"

—Rozalynn S. Frazier, Health assistant fitness editor

"Cut out drinks with calories—juice, lemonade, and, hardest of all, after-work wine."

—Lisa Lombardi, Health executive editor

"Wear something tight! It provides the extra bit of motivation to lay off the fries."

—Ilana Blitzer, Health beauty/fashion editor

"Fill a pitcher with water and cucumbers. It's pretty—and it feels like a treat."

—Olivia Rassow, Health food editorial assistant

"Serve yourself, then immediately pack the leftovers in a Tupperware container and store in the fridge."

—Maria Ricapito, Health contributing beauty editor

"Sleep is a cornerstone of weight management because of the impact it has on your hormones that control how you burn fat, how you store fat, and how you're maintaining muscle. The better your hormone balance, the better your weight management.

—Jillian Michaels, The Biggest Loser Trainer

“Pair your treat with something that's good for you. Want chips? Have a handful with veggies and guacamole, which is packed with good fats. In the mood for chocolate? Partner it with yogurt. That way, you'll fill up on good stuff so you won't devour tons of the less-healthy food.”

—Marissa Lippert, RD, Owner & CEO of Nourish Kitchen + Table

"Your specific [weight loss] program may differ from someone else’s based on climate, geography, heredity, the quality of the food you’re buying, the volume in which you’re eating that food, and so much more. A lot people take advice that doesn’t honor themselves. What works for me is not going to work for you. It’s just not. So really, it’s [about] having an honest look at who you are, what your tendencies and triggers are, and how you can build a program that revolves around that.”

—Jennifer Widerstrom, The Biggest Loser Trainer