Jess Semmens , 22 , from Devon , Devon , gorged on crisps and chocolate . She found motivation to slim after sharing details of meals on Instagram . The research unit manager went down six dress sizes in two years . Slimmed from 22st and a dress size 24 , to 13st and size 12 .
Jess Semmens , 22 , from Exeter , Devon , gorged on crisps and chocolate . She found motivation to slim after sharing details of meals on Instagram . The research unit manager went down six dress sizes in two years . Slimmed from 22st and a dress size 24 , to 13st and size 12 .