Was body positivity one big fat lie?

From Hollywood and the catwalks to the cosmetic surgeons's waiting room- the quest for thin is back. So what happened to a decade of proclaiming we all loved our bodies just the way they were?

Five years ago I put a relatively unknown model on the cover of a magazine I was editing. The magazine was Cosmopolitan. The model was a 300 pound young woman from Mississippi called Tess Holiday. 

We had chosen her for the cover, for no other reason than I had met her at a conference a few months previous. She had made a room full of young women slack j…