Alanis Morissette lost weight drastically when she finally decided to stop dieting and just eat right because she wanted to be healthier. She did not deprive herself and go all out gym fanatic to accomplish this.
Monica Seles also to stop diets and did what was right for her. She lost a lot of weight without depriving herself.
The moral of the story is: When you decide to stop diets, and just eat right and exercise because you want to, RESULTS are guaranteed and they last.
You don't have to do a 360 to lose a little weight. You don't have to deprive yourself. You don't have to put in countless hours of hard work.