Before he was taken under the wing of lifestyle guru Leslie Karpman, Calvin Harris was a scrawny dj with no interest in his appearance.
Fast forward a few short years and Harris is the top earning electronic performer in the industry, with pop princess Taylor Swift on his arm.
The Scottish star can thanks Californian personal trainer Leslie Karpman for his transformation.
Nicknamed "the hunkifier" Leslie introduced the now-31 year old into fitness and a healthy diet.
The Los Angeles based guru taught Harris to swap his penchant for take aways for nutritional green smoothies, egg white omelettes, salmon and vegetables.
Thanks to former athlete Karpman, the 6'5" dj landed a lucrative contract as the face and body of Armani underwear - thought to be worth a staggering £1 million.
According to insiders, Harris now hits the gym five times a week, steers clear of toxins, alcohol and red meat and limits carbohydrates.
Karpman is also a Pilates instructor and an actress, who has had occasional roles on Desperate Housewives, The Secret Life of the American Teenager, CSI: Miami and House.