Look Great, Feel Good in 2013

10 Easy Fit Tips from Stars' Trainers

A back like Halle's! A lean body like Gisele's! Get the low-down from stars' trainers to look – and feel – like a perfect 10 in 2010!

WORK OUT AT THE GROCERY STORE

"You don't need to make a resolution to brush your teeth. Exercise should become just as much a part of your day," says celeb trainer Kristin McGee , who works with LeAnn Rimes. McGee advises weaving exercise into your daily activities. "Do squats on the phone, zip-ups on the grocery line," she says. And by making small changes, you're more likely to stick to your plan to get in shape.