10/14/2011 08:59 am ET | Updated Oct 11, 2012

Sienna (In Matthew Williamson) And Savannah Miller: Look Of The Day

WHO: Sisters Sienna and Savannah Miller.
WHAT: The designing duo behind Twenty8Twelve were a stylish pair - Sienna chose an embellished Matthew Williamson frock fresh off the Spring 2012 runway, while her very pregnant old sister opted for a black maxi dress and kimono jacket. Both blondes carried gold clutches.
WHERE: Joined by Pippa Middleton, the Millers we on-hand for the 'Too Many Women' fundraiser for Breakthrough Breast Cancer on October 13th in Richmond, England.

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