You knew that Justin Bieber was a fan of tattoos, but were you aware just how covered in ink he actually is?

The Biebs has unveiled his tat-covered torso with a proud Instagram post, declaring that the work took 100 hours to complete, all told, and that he "wouldn't take back a single one".

"I ABSOLUTELY LOVE ART AND IVE MAde my body a canvas and it’s SO MUCH FUN," he wrote, showing off tattoos of a cross, a lion, a bear and the words 'Son of God' scrawled prominently on his stomach, amongst others.

The Canadian star has gotten most of the tattoos over the past four or five years.

What do you reckon - art or something he may regret if he ever goes through a pudgy phase?