17 Stunning Looks From Fashion Week's Chicest Party

New York Fashion Week may look fabulous, but for the style set, it also means a jam-packed schedule and lots of work — looking chic isn't easy! So it's no surprise that the crowd was eager to let loose and celebrate the end of the fashion madness, at least until London.

Models, screen queens, and street style stars alike all convened at the Harper's Bazaar Icons event for a night full of drinking, dancing, and, oh yeah — fabulous outfits. Everyone took the night's fantasy black-tie dress code very seriously, donning stunning gowns embellished with lace, crystals, and cutouts. Read on to see exactly what the style world's biggest stars wore to fete the end of Fashion Week!

Gigi Hadid
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Gigi Hadid

Gigi gave us a tease of the forthcoming Balmain and H&M collaboration in this eye-catching graphic minidress.

Katy Perry
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Katy Perry

Before taking the stage to perform, Katy dazzled on the red carpet in a gold Saint Laurent gown with a thigh-high slit.

Ashley Graham
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Ashley Graham

Ashley's off-the-shoulder gown was the ideal mix of sexy and sophisticated.

Kendall Jenner
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Kendall Jenner

Kendall stuck to her signature style and kept it simple yet sexy in a sleek Calvin Klein maxi dress.

Crystal Renn
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Crystal Renn

Crystal took on the naked-dress trend in this fiery red gown.

Kate Upton
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Kate Upton

Kate had a bombshell moment in this cleavage-baring Stella McCartney dress with an unusual high-low hemline.

Nina Agdal
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Nina Agdal

Nina strayed from the party's formal dress code and opted for a sexy lingerie-inspired look instead, complete with knee-high boots.

Bella Hadid
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Bella Hadid

Bella donned a silky floor-length slip dress with a plunging neckline.

Hailey Baldwin
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Hailey Baldwin

White hot! Hailey's Gabriela Cadena gown was straight off the Spring 2016 runway.

Taylor Hill
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Taylor Hill

From the jewel-toned hue to the sheer lacy details, Taylor's strapless dress was party-ready perfection.

Devon Windsor
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Devon Windsor

The model worked the carpet in a slinky red dress complete with an open back with strappy details.

Hilary Rhoda
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Hilary Rhoda

Feathery, sheer, and supersexy — Hilary stole the show in this unexpected Marchesa look.

Alessandra Ambrosio
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Alessandra Ambrosio

The model dared to bare plenty of skin in this supersexy black cutout dress by Alexandre Vauthier.

Chiara Ferragni
Getty | Taylor Hill

Chiara Ferragni

The street style star opted for a floral-print embellished Delpozo dress with sheer sleeves.

Kate Foley
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Kate Foley

Kate made a chic statement in an embellished Valentino gown complete with voluminous sheer sleeves.