Xtremeplaypen: Meet the girls taking the Internet by storm

But don't be fooled, these self-made models are more than just a set of boobs – 22-year-old Mia reveals she hopes to become a vet.

In a blog, the passionate pen girl wrote: "Animals are my passion I love them and I want to help them.

"There are so many cruel and disgusting people who do things to animals and when they fight back after years and years of cruelty and they are bad and aggressive and get put to sleep.

"Well I'd take them animals in and help them and hopefully get them a loving home."