The downsides to no closet space...

My 20 year old has been staying with us these past few weeks and will most likely be here for a while. While she has taken over the living room as her space in the house, I've still had to deal with bedroom furniture shopping since the house has very little closet space and she needs somewhere to be able to put her clothing. Yet, it has to be done in a way that doesn't make my living room look like a dorm room...