Decorating a child's room takes a lot of time, especially if your little one's style changes every few days. This only gets more difficult as they age, when certain colors and patterns become too "lame" for their liking. While it's easy and cost-efficient to slap on a new coat of paint, changing their comforter is not. Instead of buying new bedding every two years, why not get one that they'll love forever? From fresh florals to preppy plaids, there are some patterns that never go out of style, even as your child ages. Here, bedding that will take your tot straight into the teen years.