The modern man's summer wardrobe is incomplete without a tattoo. With the onset of summer — and all the sleevelessness that entails — it's going to be hard to miss just how many of us have upset mom by covering ourselves in ink. But how did skin art become the phenomenon it is today? Here, we track the history and cultural significance of the tattoo, from its humble ancient origins all the way to through to 2016's celebrity fan boys (here's looking at you, Bieber).