Chanelle Hayes has confessed she's lost seven stone after getting a secret gastric sleeve operation last year.The 33 year old, who was recently seen displaying her weight loss in a figure-hugging crop top and leggings, explained that her binge-eating spiralled out of control to the extent where she weighed 17 stone and was size 18.The psychological affects of her weight gain prevented her from leaving her home out of fear of what others would think, while the physical left her unable to walk up