These silver foxes are proving very popular on Instagram. Photos / Instagram
By Unity Blott
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, reports the Daily Mail.
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.
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.
Gianluca - who heads up the manufacturing company SEA Societร 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.
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 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.
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.
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, 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.
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."
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."
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 that 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?"
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.