@ibukater: With their every move feverishly documented, members of the royal family are always dressed to perfection. And when an event calls for formalwear, female members of the royal family don hats for the occasion. Over the years, royals have tapped talented milliners from Rachel Trevor-Morgan to Philip Treacy to create pieces that look more like wearable art than traditional headgear. Click through for some of the best hats, fascinators, and caps throughout the modern history of the royal family.