Sienna Miller was in Dusseldorf, Germany on Saturday to attend UNESCO's annual Charity Gala. The actress was decked out in a satin and lace gown by Stella McCartney to accept an award for her philanthropic efforts in both Haiti and Congo, taking the stage to say a few words to the crowd that also included her mother, Oliver Stone, and Donatella Versace. Sienna and Donatella have been using their celebrity for more good recently, as they've teamed up to support the organization's Education for Children in Need program. Charity work aside, Sienna's staying busy with her acting too — she's been filming a new Nick Cassavetes movie and will participate in London's 24 Hour Plays event later this month.
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