They sell dreams of a crown, success and opportunities, and present themselves as a celebration of femininity, self-confidence and leadership, but behind the evening dresses, smiles and declarations of empowerment is an industry of vested interests • The Melanie Shiraz affair and the uproar surrounding Daniel Jablonka's election remind us that the real question has long been not who the most beautiful woman is, but what exactly is happening behind the scenes of the beauty industry