Philippa Charlotte Middleton turns 28 today.
Consumers of entertainment news could be forgiven for thinking that it was she, not sister Kate Middleton, who married into the royal family in April.
Ever since she walked into Westminster Abbey, Pippa Middleton routinely steals headlines from the Duchess of Cambridge and wife of Prince William.
The public in the UK and beyond has been left in a daze by the sight of the younger Middleton's good looks (her derriere especially) and lifestyle.
Entire Facebook pages are dedicated to Her Royal Hotness. Kate Middleton may be the duchess, but Pippa is Queen of the Booty and Lord of the Arsetocracy.
Soon, Pippa Middleton may be off the market for good. She and her boyfriend, London financier and cricketer Alex Loudon, are reportedly going strong.
Always happy and smiling, seemingly unfazed by the craze she created, Pippa still works for her parents' company Party Pieces, and lives in London.
Here's a little gallery we put together in honor of her special day, an occasion we can all celebrate with - apologies in advance - a Pip, Pip, Hooray!