Selfridges opens its doors for Christmas ALREADY - 145 days before the big day
https://www.mirror.co.uk/money/gallery/selfridges-opens-doors-christmas-already-13027161
Nothing beats the La Fayette Store in Paris, for its Christmas themed decorations, plus the (mostly animated) Window displays are amazing.....

And when it's snowing outside, it's Magical....
Have a google look at the store Christmas interiors......