Back in fashion? Many designers will tell you wallpaper was never out of fashion! But perhaps the way wallpaper is used has changed dramatically from the old days when it was ok to plaster it everywhere! Oh no... You don't have to have all the walls covered in wallpaper and especially not the same pattern all round. In fact using wallpaper on just one feature wall can produce stunning results. Of course many designers will use the same wallpaper on more than one wall and some wallpapers look great on alll the walls in a room. Just be sure not to enclose the space too much or make it look claggy.. Use contrasts where you can. Break it up a bit.