The story is that Justin Bieber and his father, during their recent visit to Israel had matching tatoos done. The word 'Yeshua,' - Jesus' Hebrew name - was what was etched into their torsos.
It is related that his Christian faith is important to him, with him saying prayers in English and Hebrew (?; really) before going on stage to perform.
But, as the Bible makes clear, in Leviticus 19:28:
You shall not make any cuttings in your flesh for the dead, nor imprint any marks upon you: I am the LORD
Well, he still has a bit to learn.