Michelle Obama Wore a Silk Sophie Theallet Gown

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Photo: Pablo Martinez Monsivais/AP

Michelle Obama attended a state dinner at La Moneda Palace in Santiago, Chile, yesterday wearing a dark mauve silk dress from Sophie Theallet's spring 2011 collection. She accessorized with a chunky three-strand necklace made up of navy baroque pearls by Jordan Alexander. See the full look in the 2011 Michelle Obama Look Book.