Now, with the launch of Pippa Middleton's first book tomorrow, the Duchess of Cambridge's little sister reveals her top tips on everything from children's parties to making breakfast in bed: in particular, sprinkling your scrambled eggs with 'inexpensive caviar and truffle oil'.
Celebrate: A year of British Festivities for Families and Friends is Miss Middleton's first foray into publishing and one which has secured her a reported £400,000 deal from publisher Michael Joseph, an offshoot of Penguin. It will be published both in the UK and the US.
Miss Middleton's first foray into publishing and one which has secured her a reported £400,000 deal
The glossy hardback has, however, received mixed reviews with some describing it as a romp through the blindingly obvious and others accusing her of blatently cashing in on her royal connections.
Her supporters, however, have described it as charming and well put together.
Celebrate is currently being serialised in the Mail on Sunday's You magazine, but is publicly available to buy from Thursday with copies available to the media from today.
The Duchess's sister, who shot to global fame when she stole the show at William and Kate's wedding in a form-fitting bridesmaid's dress, is marking the publication of the 417-page tome with a party in central London on Thursday afternoon.
Neither her sister or brother-in-law are expected to attend as Prince William is on duty as a Search and Rescue pilot.
The Duchess must also be careful not to be seen endorsing a commercial enterprise.
The Duchess of Cambridge's sister has penned what her publishers have described as a 'comprehensive seasonal guide to simple and creative entertaining'
Pippa Middleton shot to global fame when she stole the show at William and Kate's wedding in a form-fitting bridesmaid's dress
But the launch will still be a family affair with Pippa's parents, Michael and Carole Middleton, whose family home in Bucklebury, Berkshire, provided the backdrop for many of the book's glossy photograph, as well as her brother James, all expected to attend alongside dozens of friends.
Although her royal relatives - the future King and Queen - are not referred to by name in the book, Kate is frequently mentioned as Pippa recalls some of her happiest childhood memories, such as hugely competitive family Easter egg hunts and bringing their parents breakfast in bed.
'I have funny memories of creeping up the stairs with my brother and sister, carrying a breakfast tray for our parents as a surprise treat: desperately trying not to spill the tea and orange juice or knock over the vase of flowers, stifling our giggles so that they couldn't hear us coming,' she writes.
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Pippa has also clearly taken inspiration from her sister's lifestyle in her chapter on throwing the perfecting Highland tea or rustling up a quick 'venison and beetroot stew'.
One of the book's more eye-catching chapters is dedicated to breakfast which, Pippa says helpfully, can be 'anything from a simple pot of tea with a few digestive biscuits' to a fully laden tray.
For a special breakfast she advises decanting milk into a jug rather than serving it in a carton. She also suggesting serving a boiled with soldiers liberally spread with smoked mackerel or trout pate and includes recipes for each
It is somewhat debatable, however, as to whether many of her readers would consider 'garnishing' their scrambled eggs with 'inexpensive caviar and truffle oil for a decadant treat'.
Fortunately, however, there is a segment dedicated on how to make a cup of tea or roast a chicken as well as rustle up some remarkably pretty home-made Christmas decorations or some haggis and filo parcels for Burns Night.
Celebrate is published by Michael Joseph at £25 - although Amazon is currently selling it half price at £12.50.
Even though it has not yet hit bookshelves, the glossy hardback is already at no 70 in the online retailers' bestsellers list and is expected to be a huge success at Christmas both here and in the US.