Mariah Carey boasted that she keeps thin by superhuman willpower and a strict two-food-only diet. She isn't confident enough not to photoshop pics to erase fat. The reality TV diva was cagey about actual weight loss and cosmetic surgeons speculated that it was more plastic surgery than diet and exercise. The "Mariah's World" star claims to follow a rigorous diet that no one else can follow. So what's on this weird diet that allows only two foods? Get a load of the menu! Mariah Carey brags about weight loss eating two-food diet: guess what's on menu?