Pretty 23-year-old Tammy Jung force feeds herself every day with a funnel -- in a bid to become as fat as possible and earn money as a BBW (Big Beautiful Woman) on the internet.
Tammy was once a healthy eight-stone teenager who wore skinny jeans, loved playing volleyball and going out with friends.
But in a bizarre reversal of a crash diet, Tammy turned her back on her slim good looks, and spends her days indoors stuffing herself with fried chicken, donuts and whole blocks of cheese.
Tammy over the years
She even allows boyfriend Johan Ubermen, 28, to pour ice cream milkshakes down her throat, in an attempt to put away 5,000 calories a day.
Tammy's diet has seen her weight soar 3.5 stones every six months, and she now weighs 16.5 stone.
The once svelte young woman is piling on the pounds to earn money as a Big Beautiful Woman on internet websites and hopes to one day top 30 stone.
Tammy, who has fat-loving male fans from around the world, has been warned she is putting her health at risk and shortening her life.
But the determined young weight-gainer celebrates every pound she adds and insists she doesn't care about damaging her body.
She said: "I've never been happier than I am working to put on weight - nothing will stop me achieving my dream.
"I know it's controversial but it's no one else's business - eating makes me happy.
"I'm making lots of money doing what I love - and I want to make even more.
"As far as I'm concerned there is no such thing as too big."
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Aided by her feeder boyfriend Johan, Tammy chomps her way through up to 30 donuts a day and stacks of pancakes and waffles.
Tammy and boyfriend Johan
The couple can spend up to £70 a day on takeaways and junk food to fuel mammoth Tammy's appetite.
Tammy said: "I start the day with a huge breakfast of waffles, cream cheese, bacon and sausage then head to McDonalds for a few burgers in the afternoon.
"I can snack on cheese all day, a couple of blocks is no problem, then for dinner I'll either eat pizzas or make Mexican food.
"At the end of the day I make a weight gain shake from heavy whip cream and a whole tub of ice cream, which Johan feeds me through a funnel.
"The funnel forces me to drink the shake even when I'm full after a day of eating."
Johan feeds Tammy through a funnel
As a teenager, Tammy played volley ball and soccer and weighed a healthy eight stone, but felt insecure despite her healthy frame.
She said: "I used to be self-conscious about my appearance. I always thought I was fat and had low self esteem.
"After I gave up sports, I began putting on weight. At first I was in denial. But one day I looked in the mirror and realised I was fat - and I felt great about it.
"My body looks so sexy and I feel more womanly the heavier I get."
With a Body Mass Index (BMI) of 45, 5ft 2" Tammy is almost twice the average for a woman her size.
Tammy even films herself eating on camera for an army of online fans.
She said: "I get a lot of requests to eat and weigh myself on camera. Some guys even send me scripts so I know what to say.
"I can make up to £1,000 a month if I work at it, and I'm hoping to earn more the bigger I get."
Johan, her boyfriend of eight months, doesn't worry about the attention from other men.
He said: "I noticed early on that she really likes to eat and was eating more than me when we went for dinner - I was impressed.
"I would love her no matter what she looked like."
Incredibly, Tammy's family have no idea what she does for a living - or that her weight gain is deliberate.
She said: "My family have noticed that I am putting on weight but they still don't know I'm doing it on purpose.
"They probably wouldn't agree with it but I'm making a living and supporting myself."
Dr Claude Matar, of the Pasadena Weight Loss Center, said: "It’s very straightforward, she is causing her life to be shorter.
"She has taken the risk of dying early. Her potential for dying early was over 100 per cent."