Natasha Farnsworth, 20, from Chandler in Arizona, USA, uses acrylic paint to create mythical worlds on girlfriend Caitlin's body and then posts the images on Instagram, where she has 10,900 followers.

Vibrant: Even before Hart approaches his unusual canvas, he spends two-three days loading the paint into the 1,200-1,500 syringes needed to complete a single creation, like this piece called Insomnia ...