Why does the Christmas jumper continue to dominate the festive season?

On both sides of the Atlantic, the Christmas jumper is even more prolific this year. And now there are baby jumpers, dog jumpers and even designer brands are cashing in on the trend. Why, asks Deirdre Reynolds

AS Bridget Jones’s toffee-nosed love interest in the first film, Colin Firth unforgettably got quite a giggle for his cringey reindeer roll neck.

But more than a decade since the festive rom-com first hit big screens , fans of novelty knits could be having the last laugh this Christmas.