Matteo Prandoni /BFAnyc.com
Mari Kasanuki
Nov 05, 2014 @ 10:19 am

At yesterday's dinner to mark the opening of Topshop's new Fifth Avenue flagship store, Beyoncé looked even more #flawless than usual (as if that is possible). The "Drunk in Love" singer, who revealed last week that she has teamed up with the company on a new athleisure brand, enjoyed the glitzy festivities with a slew of stars at Vanderbilt Hall in New York City's Grand Central Station. Her outfit of choice: a black sequin Topshop minidress ($130, topshop.com) and chunky black platform shoes. She also rocked a perfectly tousled bob.

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Matteo Prandoni /BFAnyc/Sipa USA

The new Topshop Topman location opens today at noon, and will be the largest of the brand's U.S. stores. Also on hand for the fête were style stars such as Naomi Campbell and Cara Delevingne, who is a face of Topshop's holiday campaign (above), as well as Hailee Steinfeld, Poppy Delevingne, and Ciara.

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