15 Amazing Celebrity Fitness Tips

"I love boxing and Spinning — my legs get so tight when I spin. Since I travel all the time I can't always make the classes, so instead I have moves I can do in my hotel room. I love using resistance bands because you can toss one in your bag and they work your muscles without bulking you up."

— Cosmopolitan

Find out how to get toned in 20 minutes.

"I love Reebok's EasyTone Tennis Shoes. They are extremely easy to wear when running errands, etc."

"I run for two songs and walk for one song for 3.1 miles. Then I run for a song, jump rope for a song until I hit 2 miles. I also dance a ton and make sure not to eat three to four hours before going to sleep!"

Pair your cardio with one of these easy workout moves.

"Cardio has to be a staple, and you have to try to eat lots of the foods God created!"

Get a better body in four weeks with this cardio plan.

"When I was 29, I lost 35 pounds. I did it through Weight Watchers. That's how I learned how to eat properly for the first time. Before, I used to be one of those people who wouldn't eat all day, then would eat a piece of cake at 4 p.m., have McDonald's at 10 p.m., and then go to bed."

— Good Housekeeping

Can't make the Weight Watchers meetings? Try these weight-loss tips to get to your goal weight.

"Throw out the things that set you up for failure. If you crave sugar, get rid of sweets. If salty foods are your weakness, dump the chips, pretzels, and salted nuts. Tackle your cupboards, fridge freezer, basement stashes, everything. Then stock up on fresh fruits and veggies."

—Good Housekeeping

Cravings aren't easy to beat. Fight yours with one of these alternatives.

"I always feel good after I exercise, but I try to change it up. I run, I do Pilates, whatever I can to keep it different."

More shortcuts to your sexiest abs ever.

"I stretch before and after every workout. It makes your muscles longer and leaner, and prevents soreness!"

There's always time to stretch. Steal one of these stretch exercises you can do at your desk.

"For me, working out is a part of my daily life, and I love switching up my routine. I hike one day, strength- train another, and throw in some Pilates! It also helps me to have a friend along for some motivation."

It's easy to get stuck in a workout rut, but not with this plan!

"I now eat more protein and fats. My breakfast consists of two poached eggs with avocado and cheese. Lunch is eggs (the whole egg) or fish. (Not tuna! I got mercury poisoning from tuna four years ago; I'm now detoxed.) I tend to eat a lot of white fish, cheese, nuts, veggies, cottage cheese, fruit, salad, and lots of organic oil, and I crave carbs less. I have noticed my skin, hair, energy, and mood are much, much better!"

Follow these diet dos and drop five pounds!

"Lunges, lunges, and more lunges. They are the answer to everything: a tight butt, great legs — and they burn fat because you're working a major muscle group."

Want to kick it up a notch? Try these moves that work your brain and your body.

"Pilates helps me improve my stroke efficiency. It also cures me of bad habits, like slouching. You want to have the same posture in the pool as you have on land."

No matter where you are, water or land, you'll want your butt to look good. Do one of these for a month to get your tush in shape.

"By incorporating a balancing exercise into my yoga routine, standing on one leg for a minute on each side, my running time dropped almost immediately. I do this pose twice a week."

Get expert advice on how to run farther.

"Invest in a bike that fits, get a comfortable saddle, and cycle with a group whenever possible. Try not to be intimidated and, most importantly, have fun!"

See how other Olympians stay in shape.