Forget about blank walls, because one of the best interior design trends for 2019 is the use of mesmerizing wallpapers. Installing wallpaper is a great way to add an interesting twist to your dull living spaces. This years wallpapers were more decorative and bold than ever before and this interior design trend is certain to replace the use of artwork and other art pieces for wall décor. Some of the most popular wallpaper designs for 2019 featured landscape scenery, abstract shapes, and colorful geometric patterns.