• PIPPA MIDDLETON photo | Pippa Middleton

Credit: Richard Young/Rex/Startraks

Published: Saturday September 28, 2013 06:00 AM EDT

2013

PIPPA MIDDLETON

It's been a while since we've seen the world's most famous aunt on the red carpet, and she turns it out in a royal-blue Matthew Williamson dress featuring an embellished neckline, plus blue and peach ostrich feathers on the skirt she wears to the Serpentine Sackler Gallery event in London.