Melt the fat away: 7 Hollywood stars who could get their act together and lost weight
Many remember the period when the singer was suffering from depression, put on a lot of weight and shaved her head. Then the detractors were saying that Britney would never be able get back in shape and regain her popularity.
But Spears is not so weak-willed as it may seem. After some time, she managed to lose 20 kilograms and returned to the stage.
Britney had followed a high-protein, low carbohydrate diet and regularly attended a gym to lose the weight.
Scroll down to read about Zach Galifianakis