That's some Super-fad diet! Jonah Hill looks slimmer than ever on food run... as he shows off remarkable weight loss

Since his breakout role in 2007's Superbad, there's been equal focus on Jonah Hill's next movie part as there is on what size he'll be.

But the Hollywood moviestar seemed to have dramatically shrunk once again on Monday, when he was spotted at Mauro's Cafe at Fred Segal in West Hollywood.

Appearing to have taken years off his image, the 32-year-old looked better than ever in slimming all-black.

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Slimmed down star: Jonah Hill seemed to look slimmer than ever on Monday in West Hollywood, as he went on a clothes run to Fred Segal

A far cry from last year's look, Jonah wore his hair smartly slicked back and sported a neat moustache on his top lip. 

It's not yet known whether Jonah's recent weight loss is down to a new movie role, but the Wolf Of Wall Street star is known for physically adapting to different parts.

Jonah was thought to have been at his biggest in 2015 when he gained weight to play Miles Teller's business partner in War Dogs.

Who's that guy? He was almost unrecognisable, having once again shed a remarkable amount of weight

A new look: Jonah (right, in June 2015) has completely transformed his look, though it's not known whether it is for a movie role

Ballooning: Jonah gained weight to play a role in 2015's War Dogs

The true story surrounds two young men who win a $300 million contract from the Pentagon to arm America's allies in Afghanistan.

When he began filming in Burbank, California during April, Jonah was almost unrecognisable on set, looking much heavier than before. 

Jonah had previously lost a whopping 40 pounds to star in 2011's Moneyball alongside Brad Pitt.

At the time, the actor said slimming down his 5ft. 7in, 250lbs frame was a sign of 'maturity.'

With pals: Jonah's weight loss seemed to have taken years off him when he was seen laughing with friends

'Being healthier came along with maturity,' he told Vulture in 2011. 'And it's hard, because a lot of times people want you to be the guy you were when they met you. 

'And I love doing funny movies, but I want to mature, literally, in how I treat myself. I'm not living in a frat house with a bong plastered to the table.

'But all this stuff [points to his body] is just part of maturing in body and in mind. I just want to be a good man and to make my family proud. And, you know, I want to live a long time.'

But the weight crept back on again over the next four years.

Yo-yo: Jonah (right, in 2007's Superbad) has become more famous for his weight than his roles over the last 10 years

Breaking out: Jonah's fame quickly gained traction and he was gaining some of the most sought-after roles in Hollywood (here in June 2010)

Unrecognisable: But then he shocked the world with a dramatic 40lbs weight loss (here in August 2011)

Fluctuating: His weight crept back on during filming for such movies as 22 Jump Street (here in May 2014)

Gaining something of a reputation for yo-yo dieting, the actor was miraculously slim again for parts in 21 Jump Street, The Wolf of Wall Street and 22 Jump Street.

He later admitted that a  strict diet consisting largely of Japanese food whipped the star into shape but his 'Achilles' heel' for beer was responsible for his fluctuating weight.

'I tried to be healthier,' he told the Kyle and Jackie O radio show. 'I still drink beer - that's my Achilles' heel I think. 

'I went to a nutritionist and I said, 'I'll lose weight, I'll eat healthier and whatever, but figure out how I can drink beer.'

He added: 'It's so annoying because if I don't drink beer I get really thin, and then when I drink beer I get a little bigger.'

His Achilles' heel: But by 2015 (here last May), Jonah appeared to be at his biggest, blaming beer and burgers

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