Everyone struggles with weight loss – and the stars are no exception! Beyoncé Knowles went on the Master Cleanse diet (cheyenne pepper, maple syrup and lemon juice) to lose 20 lbs. for her role in Dreamgirls. To motivate herself, Kourtney Kardasian works out naked! We’ve heard of cookie diets, soup diets and more – so tell us, what the craziest thing you’ve done to lose weight?