10/13/2011 06:26 pm ET | Updated Dec 13, 2011

Pippa Middleton, Sarah Ferguson and Sienna Miller Party At All Saints (PHOTOS)

This evening, British brand All Saints hosted an autumn dinner in London to provide aid for Too Many Woman, a charity that supports breast cancer research.

Pippa Middleton attended the event in a long, floral-printed dress with her hair back. Other notable attendees include Sarah Ferguson (in a black dress with a very high slit, Sienna Miller and her sister Savannah (who is super pregnant!) and Ronnie Wood with his son Tyrone.

Take a look in our slideshow below for more photos of the party: