LIVER King shot to fame with his bizarre extreme caveman diet, which he swears by.
The fitness fanatic is a HUGE hit on TikTok and has an army of fans - and now we can reveal to his followers what he looked like in his youth.
Who is Liver King?
Liver King - whose real name is Brian Johnson - was born on April 7, 1977, in Texas and is an American influencer.
He posted his first ever TikTok video in August 2021, and since then has built up a huge following on social media and is one of the most popular influencers on the app.
As of October 2022, he has 3.3 million followers on TikTok, and 1.7 million on Instagram.
In his viral videos on TikTok and Instagram, the bodybuilder can be seen eating raw meat (mainly liver) as part of his hardcore diet.
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There are also videos of him submerging himself in ice baths, and also catching fish straight from the sea with his teeth.
The Liver King lives in a 8,300 sq ft mansion in Austin, Texas, with his wife Barbara AKA Liver Queen, and their two kids.
What did Liver King look like when he was younger?
In November 2021 Liver King posted a throwback picture of himself as a teenager.
The liver eater shows off a stunning physique, but with a lot less muscles than he does now.
In the picture, shown above, he is also clean shaved with neat short hair.
The picture was taken from when he was around 15-years-old, as he points out that it was taken before he could "legally drive" - in the US you can drive from 16.
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Writing next to the snap Live King posted a muscle arm emoji and said: "Throwback to young Liver King...This was taken before I could legally drive.
"For context... my life was a living hell for most of my adolescent years (and I wouldn't trade it for anything).
"I was the only one-of-my-kind at my school... to make matters worse for myself... I was undersized... I looked funny... I didn't have a single friend and I had absolutely no concept of self-worth.
He finished his message with: "Thirty years later (now 44), I'm in the best shape of my life.
"If you're asking what changed... that's simple. I started putting back in what the modern world left out."
Does Liver King eat raw meat everyday?
Liver King maintains his physique by following a diet of raw beef liver, protein shakes, egg yolks and bone marrow.
Speaking to , he said he eats around a pound of raw liver every day.
However he recommends others start with three ounces, two times a week.
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He also lives a relatively minimalist lifestyle, sleeping on a bed made from wooden pallets.
Liver King claims that he doesn't allow any mobile phones inside his bedroom, and has installed Faraday curtains on the windows to prevent radiowaves passing through.