London is calling, and we've got the answer: A bevy of beautiful gowns to fulfill all your princess fantasies. So go ahead—make like Kate.

Play the provocative princess in a slinky silk-crepe gown with a fishtail train. This high-cowl neckline in front gives way to beguiling beaded straps;$6,930, Douglas Hannant. Earrings, Badgley Mischka. Bracelet, House of Lavande.