The key to losing weight is to eat right, but it is also important to be looking for the best diet because this concept is a very misunderstood one and a lot of methods don't work.
Some of the best diets secrets are:
Drink a lot of water, about 10 glasses each day, even more if you are overweight. In fact the only thing you should be drinking is water; water will actually increase your metabolism (how much a body burns fat) by a great deal.
Stay away from all kinds of bread.
Don't eat rice or pasta.
Don't eat anything with wheat in it.
Only eat natural organic foods, stay away from artificial sweeteners and processed foods.
Eat as little sugar as you can, this is what binds your fat, it is healthy to eat organic fat if you keep the sugar down to a minimum and don't eat processed food, because these will bind the fat. This is why real natural butter is healthy for you.
Vegetables and fruit will increase your metabolism tremendously!
Following these points will probably lead to weight loss, but I recommend you get yourself a diet program that will hold your hand the whole way because there is a lot more you need to know if you want to lose weight as fast as possible while at the same time increasing your health.
One that is very famous and will teach you everything you need to know is "The Diet Solution Program", it will also provide you with tons of delicious meal plans and shopping list along with them so it's really simple to follow.