View the Gallery / 16 Photos »

Wearing a Temperley London “Classic Fan Dress” ($1,745), Pippa Middleton sat front row at the designer’s Spring/Summer 2012 show during London Fashion Week today (September 19th).  Sitting alongside the Duchess of Cambridge’s sister at the British Museum were Laura Bailey, Peaches Geldof (look up from your phone, girl.  There are pretty colors on the catwalk), and Rosario Dawson.

PHOTOS: Sienna Miller And Rachel Zoe Get Fashionable At Burberry Prorsum

The Daily Mail reports that Middleton popped backstage to congratulate Alice Temperley on her latest collection, as they’ve become close since the designer custom made the jewel green gown Catherine’s younger sister wore to the royal wedding’sevening reception April 29th.

PHOTOS: The Middletons Get Ready For The Royal Wedding