JB Nicholas/Splash News
Pippa Middleton turned 29 years old today, and if there's one member of the albeit extended Windsor clan from whom we can expect a classy soiree, it's Kate Middleton's little sis, right? After all, she did quite literally write the book on party planning. In fact, said book is the reason for her whirlwind trip to New York in the first place.
So how did she celebrate her birthday?