All your wildest Christmas wishes are coming true: Legendary producer John Feldmann is leading the charge on a Christmas single featuring members of All Time Low, 5SOS, Good Charlotte and Simple Plan.

We may not know what our mates have got us for Christmas, but... We do know they won't be able to top this one from the 5 Seconds of Summer lads. Don't even bother trying! You only have a few hours to ...