Are these the world's HOTTEST silver foxes? The VERY fit older men (and their flustered female fans) who prove that age really is just a number

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For most men over the age of 50, pumping iron in the gym and posing for sultry selfies is the last thing on their mind.

But these silver foxes have bucked the trend by getting into the best shape of their lives - and they aren't about to let a few grey hairs get in their way.

By sculpting enviable physiques they have transformed not just their appearance but their lifestyle, helping them carve out lucrative careers in modelling, acting and fitness.

With their rippling abs and bulging biceps, these men could pass for models half their age - and they've got legions of flustered female fans to prove it.

Gianluca Vacchi, 49 

Abs to kill! Despite pushing 50, Vacchi delights his male and female fans alike with sultry topless snaps like this one of him aboard a boat which he captioned 'Orange day!'

Showcasing his buff physique, which is scattered with tattoos, the 49-year-old likes nothing better than showing off his flamboyant wardrobe in snaps taken on holidays

'Always smiling': Tattooed hunk Gianluca Vacchi is renowned for his toned torso as well as being a hugely successful businessman with a huge Instagram following

'Today I wear the sun colours': Vacchi earned almost 300,000 likes for this photo posted earlier this month. He shows no signs of slowing down despite being almost 50

He's the Italian stallion who is renowned for his toned torso as well as being a hugely successful businessman.

And Gianluca Vacchi shows no signs of slowing down as he is regluarly spotted showing off his tiny white swimming shorts on the sands of Miami beach.

Showcasing his buff physique, which is scattered with tattoos, the 49-year-old likes nothing better than showing off his flamboyant wardrobe in snaps taken on his seemingly endless sun-kissed holidays.

Vacchi enjoying dinner with friends. Gianluca - who heads up the manufacturing company SEA Società Europea Autocaravan - has an estimated net worth of 300 million dollars

Proving that age is just a number, the 49-year-old not only has an enviably buff physique - he also appears to enjoy a non-stop social life (pictured here enjoying a recent night out)

Vacchi, pictured in Turkey, is a life coach as well as an entrepreneur. The millionaire shot to fame after he went viral by sharing a video of himself emerging from an anti-aging chamber

Gianluca - who heads up the manufacturing company SEA Società Europea Autocaravan - has an estimated net worth of 300 million dollars, and is a life coach as well as an entrepreneur.

The millionaire shot to fame after he went viral by sharing a video of himself emerging from a freezing anti-aging chamber and then performing a dance routine in just his pants and snow boots.

The cryotherapy chamber is a device that blasts the body with temperatures of -16C, and the 49-year-old is said to use the treatment to feel young and keep his skin looking firm.  

Irvin Randle, 55

Irvin Randle, the stylish grandfather from Texas, caused the internet to go into a frenzy after his good looks were first shared on social media - and said he couldn't believe the attention

Overnight fame: Photos of 55-year-old Randle, an elementary school teacher from Houston, started surfacing on social media with the hashtag 'MrStealYourGrandma'

'Happy Sunday!' A pouty selfie from fashion-forward granddad sees him posing in a furry hat in Texas - racking up some 2,700 likes and a flurry of comments from flustered fans 

The stylish grandfather from Texas caused the internet to go into a frenzy after his good looks were shared on social media.

Photos of 55-year-old Irvin Randle, an elementary school teacher from Houston, started surfacing on social media with the hashtag 'MrStealYourGrandma'.

In the images, the dapper grandfather sported a peppered beard and appeared in stylish outfits, and some even showed off his fit body. 

Randle, who has two grandchildren, quickly garnered internet fame as the photos went viral, and now he says he is managing to cope with all the attention (pictured in Galveston, Texas)

In his Instagram images, the dapper grandfather sported a peppered beard and appeared in stylish outfits, and some even showed off his fit body

The grandfather only learned about his photos going viral through his friends and family, including his daughter Jessica who lives in Los Angeles (pictured recently in Vegas)

Randle, who has two grandchildren, quickly garnered internet fame as the photos went viral, and now he says he is just about managing to cope with all the attention.

The grandfather had learned about his photos going viral through his friends and family, including his daughter Jessica who lives in Los Angeles.

He said he also received a call from a friend in Nigeria who told him his photos had garnered seven million likes there.

Aiden Brady, 51

At 51, Brady has gone on to carve out a successful modelling career (he is signed with Models 1) while also working as a poet, writer and composer

At 51, the model has a cool 70,000 Instagram followers and a string of high-fashion magazine shoots under his belt.

Scouted while working as an English teacher in Spain aged 45, the former gay porn star has suffered a series of setbacks including an accident that nearly paralysed him and learning he was HIV positive, he has gone on to carve out a successful modelling career while also working as a poet, writer and composer. 

Anthony Varrecchia, Age 54

Known for his immaculate style and rugged selfies, the Staten Island native (pictured here on Carolina Beach) is aptly represented by an agency called Silver Fox Management

'Havin' selfie fun': Named as one of Attitude's Bachelors of the Year 2017, Varrecchia's 172,000 have also earned him work as a social media brand ambassador

Outside of his modelling career, Varrecchia's (pictured posing up a storm in June this year) also works as a personal trainer and photographer

In a recent Instagram snap, Varrecchia (pictured in Chelsea, Manhattan) tells his fans his new website is coming soon and will feature 'hot sexy hairy muscle men'

Known for his immaculate style and rugged selfies, the Staten Island native is aptly represented by an agency called Silver Fox Management.  

Named as one of Attitude's Bachelors of the Year 2017, his 172,000 have also earned him work as a social media brand ambassador.

Outside of his modelling career, he also works as a personal trainer and photographer. 

Eric Rutherford, 49 (rumoured)

Forty-nine-year-old Rutherford on a recent work trip to London; his snap sent fans wild, commenting 'handsome!' and 'looking always good' underneath the picture

Multitalented: Model, veteran actor and social media maven Rutherford began his career in the fashion industry before moving to Los Angeles where he became an events producer

Reflecting on his rise to Instagram fame, Rutherford said: 'People began to follow me to see what I did. Brands began to reach out to me specifically to attend their events as a guest'

Rutherford celebrating Men's fashion Week in London last month. He has put his sudden rise to fame, in part, down to his 'salt and pepper hair' which has 'trending' at the time

Model, veteran actor and social media maven Rutherford began his career in the fashion industry before moving to Los Angeles where he eventually became a successful events producer.

Reflecting on his unprecedented rise to Instagram fame, Rutherford recently told Men's Fashion Post: 'People began to follow me to see what I did. Brands began to reach out to me specifically to attend their events as a guest.

'All of this coincided with the rise in interest for older men with salt and pepper hair. At one point, a casting person told me I was 'trending' (because of my hair). Seemingly it appeared that I was in the right place at the right time.'

Alessandro Manfredini, 49

Pushing 50, Modena-born model, graphic designer and ceramic sculptor Manfredini is rumoured to have grown his bushy beard and moustache will in the grip of a deep depression

The tattooed style icon is regularly spotted on the celebrity circuit and was immortalised in Brock Elbank's Project 60 series (pictured here at an event in Italy, shared on Facebook)

Pushing 50, the Modena-born model, graphic designer and ceramic sculptor is rumoured to have grown his bushy beard and moustache will in the grip of a deep depression after his home was destroyed in an earthquake.

These days, the tattooed style icon is regularly spotted on the celebrity circuit and was immortalised in Brock Elbank's Project 60 series.

Ron Jack Foley, 50 (rumoured) 

Still got it! A recent topless snap posted online prompted thousands of likes and a flurry of comments including one female fan who gushed: 'My ovaries just imploded'

Not bad for a 50-year-old! Ron Jack Foley poses on a beach in an Instagram snap which garnered 2016 likes last year. The Canadian with the bushy white beard is a snowboarding fan

Snapped up by B&M Model Management, the Canadian with the bushy white beard is a snowboarding and baseball enthusiast has amassed 22,000 followers on Instagram and an army of adoring male and female fans - and it's not hard to see why.

A recent topless snap posted online prompted thousands of likes and a flurry of comments including one female fan who gushed: 'My ovaries just imploded.' 

Shan Michael Hefley, Age 54

Silver fox: A sponsored athlete and fitness model, Shan Hefley completely overhauled his lifestyle and is completely unrecognisable from his 43-year-old self

In a recent Instagram post, Hefley explained how he had overhauled his physique saying: 'I'm not a clean eating freak but I do my best to stay away from high fat junk food'

Hefley says: 'I do eat fast food since I'm commuting daily but I choose the healthiest items on the menu. Watching your diet is not necessarily the fun part of fitness but it is required'

A sponsored athlete and fitness model, Hefley completely overhauled his lifestyle and is completely unrecognisable from his 43-year-old self. 

Fond of posting motivational quotes online, his mantra is: 'Your best body is just a few weeks or months away! If you want it go for it! The days will pass either way, you might as well look back and be happy in the path you've chosen.'

And in a recent Instagram post, he explained how he had overhauled his physique saying: 'I'm not a clean eating freak but I do my best to stay away from high fat junk food. 

'I do eat fast food since I'm commuting daily but I choose the healthiest items on the menu. Watching your diet is not necessarily the fun part of fitness but it is required.' 

Philip Dumas, 61

Frenchman Philip delighted his followers with this recent Instagram post saying: 'Not showing off here but I never gave up working out and I am proud of what I see'

Time for a spot of gardening: Before his career goals became a reality, Philip spent 20 years working as a location unit manager for films before spending a further ten years in advertising

Sixty-one-year-old Dumas, who lives in Paris, made a last ditch attempt to achieve his ambition a year and a half ago when he posted images of himself on picture-sharing platform Imgur.

Featuring a collection of images showing himself in various sultry poses - and showcasing a beard than most millennial hipsters would envy - he quickly amassed over 360,000 views.

Captioning his portraits he wrote: 'Retired but not out, giving a last go to my lifelong dream of becoming a model, do I have it in me?'

'Sometimes going downstairs can lead you upwards': The Frenchmen has secured several high profile campaigns including shoots for Getty and Joop! Homme

Philippe had no idea of the response he'd get. Following the post the Frenchmen secured several high profile campaigns including shoots for Getty and Joop! Homme.

Before his career goals became a reality he spent 20 years working as a location unit manager for films before spending a further ten years in advertising.