Young girls really are a lot of fun! They love to dress up and when it comes to Halloween, they have definite ideas about what or who they want to be for the trick-or-treating. They have their own individual ideas about what is pretty, scary, or just plain fun to wear. The choice they make is usually dependent on what age they are. You can pretty much put money on it that most little girls are going to want to be a princess at least once before their 8th birthday! That then makes a princess outfit one of the most popular Halloween costumes available for the girls.
Finding perfect tween Halloween costumes isn't always easy, especially for a tween. At this age kids usually won't be seen in a costume that makes them look like a toddler. Making the right decision of what costume to wear doesn't seem as important for boys as it does for girls, since girls can be a little more sensitive about their look.
These days you can find really good prices on the costumes online, and in your local shops. The variety is of course better online, and it saves you the time of driving all over the place. They're popular costumes, so they tend to sell out quickly. I hope you have a fun and safe Halloween, and happy shopping!