Ukranian model Valeria Lukyanova, who lives her life as a 'human Barbie' has revealed she doesn't consume food or water anymore. Some have said she uses plastic surgery and Photoshop to create her doll-like image, but her impossibly thin waist could actually be down to not eating for weeks. The model, 23, has said she is now converting to 'Breatharianism' - training herself to live off only light and air. 'In recent weeks I have not been hungry at all; I'm hoping it's the final stage before I can subsist on air and light alone,' she has said. The model...