Best diet to lose weight fastest

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Drop lots of weight in less time with these top-rated diets from U.S. News and World Report

Losing even five to 10 pounds just makes you feel better. It's that feeling of carpe diem and joy and triumph and success when your jeans just slide right on, when your belt doesn't cut into your stomach when you bend down to pick up your phone, when you wear your favorite dress and it isn't uncomfortably tight around the middle anymore.

But sometimes swimsuit, tight-dress or I-want-to-look-amazing events kind of sneak up on us — and you want to drop some weight now. Lucky for us, U.S. News and World Report put some major research time into finding the best fast weight loss diets out there but that are still relatively healthy to embark on. So if you want to lose lots of weight but don't have a lot of time, try these top 10 diets of the 38 they ranked.

More: 7 Things to know if you want to lose weight quickly

No. 1: Biggest Loser Diet

Modeled after one of America's favorite shows, the Biggest Loser Diet incorporates healthy eating and healthy lifestyles to help you slim down. Ideally this diet is based on a six-week plan, but like U.S. News says, "Cut the calories, work out and watch the pounds melt off."

No. 2: HMR Program

The HMR Program is a health management resource program that encourages calorie reduction with meal replacements (bars, shakes, etc.) and physical activity through "medically supervised, in-clinic or at-home options."

No. 3: Atkins Diet

This diet has been around for ages with criticism galore, but opinions aside, this diet claims you'll drop 15 pounds in the first two weeks by cutting carbs.

No. 4: Weight Watchers diet

Weight Watchers is also an oldie but goody. This diet is based on a point system, allowing you to eat whatever you want — as long as you don't go over your daily point allowance.

No. 5: Eco-Atkins Diet

This diet is said to be less restrictive than its sister, the Atkins Diet. But you'll still lose about eight pounds in the first month. And an additional benefit is that it aims to level your blood pressure, cholesterol and triglycerides.

No. 6: Jenny Craig Diet

The best thing about the Jenny Craig is that it is so easy to follow. They give you all the meals you need to eat, so no guesswork on your part. It may be easy to stick to, but you'll lose only about two pounds each week.

No. 7: Raw Food Diet

Following the Raw Food Diet can really shake things up in your system, and you may drop weight pretty darn fast. This means nothing cooked, processed, microwaved or baked.

No. 8: South Beach Diet

The South Beach Diet was surely not a fad. It's a three-phase diet, with the first two-week phase claiming you'll drop eight to 13 pounds. It focuses on "good" carbs and fats, and as a bonus, there's no calorie counting!

No. 10: Volumetrics Diet

On the Volumetrics Diet, you will lose one to two pounds each week while opting for foods that have more volume than calories. For example, you would avoid eating a very tiny and very unfilling calorie-laden chocolate truffle while opting for several cups of air-popped popcorn instead.