doctors told she had gained so much weight she could die before the age of 25 due to her bad habits .
her lifestyle meant she had ballooned to 20st 5 lbs , but after receiving the stark warning about her health she decided to lose weight and quit smoking once and for all .
but by swapping takeaways for healthy alternatives and controlling the amounts she ate , she managed to slim down to a size 12 .
rochelle holmes , 26 , ballooned to 20st 5 lbs -lrb- left -rrb- after eating four takeaways a week - and she also smoked 20 cigarettes a day .