Teen bedroom decor is absolutely different from chidlren or adult bedroom decor. As teen is not mature yet not children anymore, the room decoration seems confusing. In fact, no teen wants to have big cartoon character on bedroom wall yet they do not expect plain bedroom with no decorations. Here are some ideas to decorate teen bedroom starts from choosing colour, pattern, bedroom furniture, and decorations. Teen Bedroom Decor Depending On Sex Surely, there is no doubt that bedroom decoration between girl and boy are different. Girl bedroom has more decorations. Starts from colour, the combination between white and blue,.