Blonde beauty Gigi Hadid has one of the most enviable figures around. Becoming the poster girl for both guess and VS Pink as well as starring in some sexy swimsuit shoots for Sports illustrated. But how does she keep her body bikini ready...by eating burgers apparently!!! The 20 year old rising star opened up to refinery29 about her attitude to health, fitness and her diet. Explaining that she lives by one rule, Eat clean, work out to stay fit and have a burger to stay sane.