Tattoos have been fashionable in Hollywood for a long time but it's not always that practical...
It'd be pretty hard to pass yourself off as a Baroness from 1800 with a barcode permanently etched on their neck.
Good thing the owner of this tattoo is a rock star then! The only "celeb" job where tatts are practically mandatory (expect for maybe a stint on Miami Ink).
But can you identify stars from their tattoos?
Take our quiz and see how many you can guess. Guess the celebrity tattoo quiz!