Last Thursday saw the press day to  celebrate the launch of Selfridges Christmas department. This year the theme is White Christmas, and Fashion-Mommy was able to have a sneaky peak at all the exquisite gifts that will be on offer for the  festive season. It was quite disconcerting to leave the sticky, summer heat outside and to then walk into a winter wonderland, but that’s exactly what happened. Bing Crosby crooned in the background, whilst a snow machine produced flurries of the white stuff. And this was perfectly apt, because there was an awful lot of white stuff on  offer in the gift department.  Beautiful white leather bags from the…