The fiendishly tricky Christmas song lyrics quiz

You may think you know them by heart, but do you really?

You hear them everywhere this time of year - on the radio, at work, in the shops, at Christmas parties, probably even in your dreams.

You might have even been listening to these songs every Christmas for years, if not decades.

But do you actually know the lyrics to some on the most well-known festive classics? You might think you do, but this quiz will reveal if you know the exact lyrics, or if you've been been singing the wrong thing this whole time.

This article was originally published on 7 December 2017.