The unseen photo was taken during their visit to India to promote their 2017 action movie 'xXx: Return of Xander Cage'
Constable Ian Naude told the jury that the sex was consensual and that the girl "seemed to be enjoying it".
Naude was assigned to a unit dealing with vulnerable youngsters.
It emerged during the trial that he was named as a sexual offence suspect in neighbouring forces before joining the Cheshire Police in England's northwest.
The court heard that the constable had visited the 13-year-old's home three days earlier to investigate a domestic violence case.
He was found guilty of picking her up off the street and raping her in the back seat.
"In order to impose your will on a young girl... you used and abused your position as a Cheshire Police officer, thereby enabling you to satisfy your lust and perversion," said judge Clement Goldstone.
The unseen photo was taken during their visit to India to promote their 2017 action movie 'xXx: Return of Xander Cage'
From exploring the Louvre Museum in Abu Dhabi to Easter brunches, there are several things to do in the UAE this weekend
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