First if you do not have a big space to work on, then it is better to use neutral design that can help you to make use every space while still make it appear stylish at the same time. This can be done by using neutral tone and creating great layout for the room to be functional.
If space is not a problem, then you can dive deeper by using vibrant color in your design. Do not worry as young girl usually love color, but their color choice might be different from what you have in mind. Thus, you might want to ask them what is their favorite color then create a nice color scheme to be used.
Next is the decoration, which you should try to add into the bedroom. For decoration, you might want to consider something that is giving the space more mature appearance. Thus, you can try to add some arts to the room with different style that suitable with the theme you use in the bedroom.
Do not forget to make it more personal by incorporating some of the young girl collection as part of the decoration. You can display them and even create a place to display the collection to be part of the decoration. Or you can also apply custom monogram which will make the room appear more stylish with personalized items. Here are other examples that you can use.
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