She competed in the ICN bodybuilding competition in Melbourne last month.
And on Tuesday, The Bachelor's Lisa Carlton revealed the diet and exercise secrets behind her incredible transformation.
The 25-year-old, who rose to fame on Matty J's season last year, shared on Instagram the strict meal plan and gym routine she followed over the past five months.
'Everything I ate, I weighed down to the gram': The Bachelor's Lisa Carlton (pictured) has revealed her diet and exercise secrets after she competed in a bodybuilding competition
'It has been just over a week since I jumped on stage, and I thought I'd give a brief rundown of the past five months!' she explained.
'I followed a structured food program that was specifically tailored for me by my trainer Scott at Powerhouse SC - ICN PRO.'
She continued: 'I ate five meals a day that focused on hitting certain macronutrients (carbs, fats, and protein). Everything I ate, I weighed down to the gram. [Scott] understood me and what I needed