PLEASE NOTE: EDIT CONTAINS FLASH PHOTOGRAPHY<br/> <br />'Tis the season for Pippa Middleton to celebrate.<br/> <br />It all started with the wedding of her sister Kate and Prince William, in which the younger Middleton's silk-cladded behind stole the hearts of millions.<br/> <br />Now as one of the most photographed women in the world, Pippa has published her first book -- on party planning.<br/> <br />At the private launch for her new book, appropriately titled "Celebrate", the real-life party planner pleases the crowd by showing off her enviable figure in four different outfits, including this top and skirt set from Stella McCartney's 2012 Winter Collection.<br/> <br />The dimple-faced beauty pays homage in the book's introduction to the reasons of her meteoric rise to fame:<br/> <br />"...on account of your sister, your brother-in-law and your bottom," it reads.<br/> <br />Pippa was joined by her parents and brother at the launch, but Kate was nowhere to be seen.<br/> <br />SOUNDBITE Book Author and Kate Middle's sister, Pippa Middleton, saying (English):<br/> <br />"Really really nervous, but it's incredibly exciting and I feel really lucky to have -- be in this position to publish a book.... It's been, it's been a crazy couple of years since my sister's wedding but -- it's had its upsides and downsides and I just feel really fortunate to be able to build a career as a writer."<br/> <br />The new book is 416 pages thick and rumoured to have earned Pippa 400,000 pounds, about 650,000 US dollars.
