The fairy-tale ending to Will and Kate's decade long romance is upon us and lil ones are love the real-life princess story unfolding before their eyes. For tots who can't get enough of the story, Will and Kate's Fairy-Tale Romance ($4) is now available on iTunes. The 17-page interactive storybook takes tots on the journey that led Catherine to William and involves in helping the future princess select her wedding dress. Throughout the story there are hidden surprises and sound effects to accompany the text. Though the authors took some liberties with the story (did Kate really spend her childhood dreaming of becoming a princess) that seems to be par for the course these days. Check out some images from the app in the slideshow here.