Style Set: The Week's Best Dressed

It's only one day in, and Olivia Palermo has already won the week with a stylish military-inspired look that made us stand up and salute. Palermo was toasting with Dom Pérignon at Blue Hill in New York, while across town came a celebration from the other side of the world when Australia's chicest gathered at Cipriani Wall Street for the G'Day USA Gala.

Adding to New York's chic pre-Fashion Week schedule, designers including Prabal Gurung (above), Jennifer Fisher, and Carolina Herrera joined Diane von Furstenberg and the CFDA to salute Saks. You can see what they all wore here in the gallery.

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Jacquelyn Jablonski at the Vensette Beauty on Demand app launch.

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Lauren Remington Platt at the Vensette Beauty on Demand app launch.

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Monique Péan at the Barneys cocktail party for Maria Cornejo.

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Maria Cornejo and Emily Mortimer at the Barneys cocktail party for Cornejo.

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Mara Hoffman at the Barneys cocktail party for Maria Cornejo.

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Carly Cushnie and Michelle Ochs at the Vensette Beauty on Demand app launch.

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Helena Christensen and Erin Fetherston at the JewelMint launch of Fetherston's collection.

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Steven Kolb, Rebecca Minkoff, and Uri Minkoff joined Diane von Furstenberg and the CFDA to welcome Marigay McKee, the new president of Saks Fifth Avenue.

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Stacey Bendet attended Diane von Furstenberg and the CFDA's bash for Marigay McKee.

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Jennifer Fisher attended Diane von Furstenberg and the CFDA's bash for Marigay McKee.

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Carolina Herrera, Diane von Furstenberg, and Marigay McKee attended the CFDA bash for McKee.

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Yigal Azrouël attended Diane von Furstenberg and the CFDA's bash for Marigay McKee.

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Nanette Lepore attended Diane von Furstenberg and the CFDA's bash for Marigay McKee.

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Lazaro Hernandez and Jack McCollough attended Diane von Furstenberg and the CFDA's bash for Marigay McKee.

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David Neville and Marcus Wainwright attended Diane von Furstenberg and the CFDA's bash for Marigay McKee.

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Nora Zehetner at the G'Day USA Gala.

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Shanina Shaik at the G'Day USA Gala.

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Jeanann Williams at the G'Day USA Gala.

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Bridget Malcolm at the G'Day USA Gala.

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Sarah Wynter and Laura Brown at the G'Day USA Gala.

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Olivia Palermo at the Notes on Creativity opening with Dom Pérignon.