Unless you've been living under a rock for the last week, you'll know that a new group of musicians recorded 'Do They Know It's Christmas?' in aid of ebola charities on Saturday.

The video was officially premiered on last night's X Factor after an introduction by Bob Geldof, and features the likes of One Direction, Rita Ora, Ed Sheeran, Ellie Goulding, Chris Martin, Bono, Sinead O'Connor and Seal (did he tell anyone he was coming?) - but not Adele, who apparently was "not answering her phone", according to Geldof.

You can watch it below, and if you'd like to sing along with the updated lyrics, here they are - although strangely enough, they don't feature the line 'Do they know it's Christmas' once'...

It’s Christmas time – and there’s no need to be afraid
At Christmas time – we let in light – and banish shade
And in our world of plenty – we can spread a smile of joy
Throw your arms around the world
At Christmas time

But say a prayer – pray for the other ones
At Christmas time – it’s hard but while you’re having fun
There’s a world outside your window – and it’s a world of dread and fear
Where a kiss of love can kill you – and there’s death in every tear
And the Christmas bells that ring there – are the clanging chimes of doom
Well tonight we’re reaching out and touching you

No peace and joy this Christmas in West Africa
The only hope they’ll have is being alive
Where to comfort is to fear
Where to touch is to be scared
How can they know it’s Christmas time at all

Here’s to you
Raise a glass to everyone
And here’s to them
And all their years to come
Let them know it’s Christmas after all

Feed the world - Let them know it’s Christmastime again
Feel the world - Let them know it’s Christmastime again
Heal the world - Let them know it’s Christmastime again