There are three easy ways to give your bedroom a facelift.
You can get a new bed. Platform beds are the newest thing out there and give a very modern feel.
You can get a new headboard. You can purchase a new headboard or create one. There are many do it yourself ideas out there for creating your own headboard.
Last is the bedding. Changing up your bedding a couple of times a year is an easy way to freshen up your bedroom. You can follow the seasons - meaning warmer, earth tone bedding in the colder fall/winter months and cooler blues, greens, whites in the spring/summer.