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(TMZ) - Nick Cannon showed off his new cover-up tattoo Sunday in Studio City ... and it's perplexing, reports TMZ.

TMZ reports Cannon hit up the gym ... and on the way out they caught a glimpse of his new back piece - but what's above Jesus' head has others scratching theirs.

[SEE PHOTO HERE]

Here's TMZ's guesses:

1) An angel

2) Some kind of bird

3) a cherub

What do you think it is?

READ MORE: TMZ

Before for the cover-up:

Photo: Getty Images