Fashion

Look of the Day: Katie Cassidy Shines in Elie Tahari

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Hanging out with the Upper East Side elite on, well, the Upper East Side, Gossip Girl‘s Katie Cassidy shined in a sparkly Elie Tahari. Showing her support for the launch of the designer’s brand spankin’ new flagship store at Saks Fifth Avenue, Katie mingled in a gorgeous sequin dress with singer Kat Deluna, model Jessica White and real-life socialite Tinsley Mortimer who were also all decked out in the designer’s duds.

Click through to see pics of Katie and pals at the party!