This photo was taken just moments after the artist wiped any blood or smeared ink from the singer's hairy left arm (the dark hair could be a clue). While under the 'knife,' he was live-tweeting the experience so his fans could share in his agony.

The symbols have a special meaning and further connect him with his famous wife and their daughter. It's his first tattoo, but we don't think he'll be back for another, unless he decides to face the pain again for his newly-adopted second child.

Have you figured it out yet? Here's one more clue: his famous brother is a also a country music singer who was previously featured in the Tattoo Trivia game.