Oh Gahd we hope this is true...
Can anybody say awesome?
The boys are no stranger to the 'female ballad' having already covered Taylor Swift and Carly Rae Jepsen during their time on the show - so Demi's hit would certainly suit their style.
We imagine George Shelley is also just a little bit pleased with the song choice - considering he has a bit fat crush on Demi, and all.
No word yet on what songs James, Jahmene and Chris have chosen to record as their potential winner's single - but rumours strongly suggest each act will have a different song this year - rather than both recording a version of the same tune, a la Little Mix and Marcus Collinswith Cannonball last time round.
What do make of this news? Watch this video of our recent interview with Union J while you mull it over.