Ariana Grande's popped her cover of Wham!'s 'Last Christmas' on the internet as part of this Christmas countdown thing she was banging on about a few weeks ago.
Apparently there are some original Christmas songs on their way too, but they're going to need to be pretty spectacular to be up there with 'One More Sleep' and 'Underneath The Tree', right?
RIGHT.
You can listen to the slightly re-worked song by clicking on the play button below these words.