Meet Cally-Jo, the British tattoo artist who inked Rihanna's hand. Is tattooing still mainly a man's world, and how did she cope with the pressure of such a famous client?
Meet Paul Timman, the man who's inked half of Hollywood, including Angelina Jolie, Ben Affleck, Mark Wahlberg, Billy Bob Thornton, Busta Rhymes, and Pamela Anderson.
Meet JonBoy, the man who inked Justin Bieber's face. How does he feel about making a permanent change to such a huge star's image, and his work being seen around the world?
