The Global Fund Green Carpet Challenge Event 2013 | Pictures The Beckhams, Sienna Miller, and More It Brits Collaborate For a Cause September 16, 2013 Share This link The Global Fund Green Carpet Challenge Event 2013 | Pictures Source: Getty 7 / 37 by Laura Marie Meyers 0 Save 0 Favorite 0 Sienna Miller stepped out in a floral frock for the event at Apsley House. More Photos Previous 7 / 37 Next by Laura Marie Meyers 0 What’s Your Reaction? 0 0 0 0 0 0 Sienna Miller stepped out in a floral frock for the event at Apsley House. More Photos ‹ Back to Homepage Save 0 Favorite 0 Follow POPSUGAR Celebrity Pinterest Twitter Google + Instagram Featured Partners Britney Spears Talks Style, Body Image and ... Pregnancy Sex?! 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