At some point in their young lives, most little girls go through a princess phase. They might be enchanted by the ideas of castles, horses, ball gowns and sparkling tiaras or they could have seen a Disney movie that captured their hearts. If your daughter asks for a princess party when her birthday rolls around, here are some ideas to make the day unique and memorable. Just remember: although there's a plethora of princess products on the market, you don't have to go with a commercial princess theme.