Instagram slimmer Becky Peabody, 44, poses for a portrait at home in Street, Somerset, England. See SWNS story SWINSTA; A mum-of-two lost six stone to become a slim size eight by posting a photo of every single meal she eats – on INSTAGRAM. Designer Becky Peabody, 44, had been overweight for years and struggled with countless diets, but never managed to shift the weight for good. She was mortified when she saw a photo of 15-stone frame in a magazine article about her stylish home and was shamed into changing her fat-filled diet. The inspirational dieter started eating nutritious meals and posting photos of the colourful dishes on Instagram a year ago.