Simon Pegg has undergone a dramatic physical transformation for an upcoming movie role.
The Run Fatboy Run star, 49, has been hitting the gym hard and has unveiled his lean figure, after shedding a large amount of body fat.
Simon worked with personal trainer Nick Lower for six months to transform his body for the thriller Inheritance, which required him to be quite slender.
New look: Simon Pegg, 46, has undergone a dramatic physical transformation for an upcoming movie roll
The actor has gone from 78kg to 69kg with his trainer detailing the plan he put him on on Instagram.
He wrote: 'The brief for this role was lean, VERY lean. It required a specific body shape and look.'
The trainer added that Simon did a combination of strength training with circuits and core work, along with 60k/m trail runs per week.
He said: '6 months of hard work has paid off and I tip my hat to you sir.'
Getting into shape: Formerly famed for playing out-of-shape Dennis in The Run Fatboy Run, the actor has been similarly been hitting the gym hard to shed large amount of body fat
The post was also shared on Simon's twitter account where he jokingly added that 'also occasional mild grumpiness' was another aspect of his training.
But fans were divided about the actor's dramatic transformation, with many of them expressing their concern that he had slimmed down too much and needed to eat.
One user wrote on Twitter: 'Realize it's work, but please, eat a sandwich soon! (sic)'
While another one added, 'Hope you get back to your normal self soon! It hurst to see you sooo thin! (sic)'
And one fan also said: 'No offence Simon but it's time to eat again, you're not looking healthy.'
Worried: But fans were divided about the actor's dramatic transformation, with many of them expressing
