Romelu Lukaku has lost half a stone since joining Inter Milan thanks to a strict nutritional regime from boss Antonio Conte.
The Belgian striker joined the Italian side from Manchester United earlier this month in a £74 million deal and reportedly weighed 104kg.
Lukaku was criticised for his weight with Red Devils legend Gary Neville calling him unprofessional.
Neville said: "He's admitted to being overweight. He is over 100 kg! He's a Manchester United player!
"He will score goals and do well at Inter Milan but unprofessionalism is contagious!"
Lukaku posted a topless photo on Instagram with the caption "not bad for a fat boy".
But, according to the Daily Mail, manager Conte has come up with a new diet plan that's shown remarkable results.
Conte is a big believer in the 'Bresaola diet' which means Lukaku eats white meat such as chicken and turkey with vegetables.
Lukaku is not allowed to eat any fried food or drink alcohol, although he never has done the latter.
He scored on debut for Inter Milan in their 2-0 win over Lecce and is looking to revive his career after his frustrating time at Old Trafford.
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