11 Things You Need to Know About Last Night's Star-Studded Chanel Party

When stars like Cara Delevingne, Julianne Moore, and Lily-Rose Depp stepped out to celebrate Chanel's Mademoiselle Privé exhibit, they gave Paris Fashion Week's airport runway show a run for its money.

Karl Lagerfeld's #squad walked the red carpet in the most glamorous looks, ranging from bejeweled dresses to classic tweed suits, and they snapped Instagrams all night long — but that's only the half of it. Inside London's Saatchi Gallery, gorgeous Chanel designs were on display, including high jewelry from the 1932 Bijoux de Diamants collection and the Kaiser's signature handmade couture.

Read on see what everyone wore to the jaw-dropping exhibit the fashion world won't be able to stop talking about. With vintage Chanel slot machines lining the walls and holograms of the late Coco herself, we don't blame them.

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Karl Lagerfeld's Muses Walked the Red Carpet
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Karl Lagerfeld's Muses Walked the Red Carpet

Cara Delevingne

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Vanessa Paradis

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Lily Collins

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Lily-Rose Depp

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Lily Allen

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Poppy Delevingne

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Georgia May Jagger

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Edie Campbell

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Alice Dellal

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Daisy Lowe

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Anja Rubik

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Clémence Poésy

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Leigh Lezark

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Jemima Kirke

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Julianne Moore

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Lily-Rose Depp Stole the Spotlight
Instagram | chanelofficial

Lily-Rose Depp Stole the Spotlight

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Instagram | lilyrose_depp

She posed with her BFF, Stella Maxwell, captioning her photo, "Go besfriend thas my besfriend #mademoiselleprive."

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Instagram | chanelofficial

And Cara Delevingne, too.

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The Haute Couture Looked as If It Was Floating Around the Room
Instagram | harelblog

The Haute Couture Looked as If It Was Floating Around the Room

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The Details Were to Die For
Instagram | harelblog

The Details Were to Die For

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Karl Lagerfeld Built a Garden Inside, Too
Instagram | asseleah

Karl Lagerfeld Built a Garden Inside, Too

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There Were Chanel Slot Machines
Instagram | lisaeldridgemakeup

There Were Chanel Slot Machines

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The Room Smelled of Chanel No. 5
Instagram | ameliawilliams

The Room Smelled of Chanel No. 5

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St. Vincent Performed
Instagram | stvincent_shrine

St. Vincent Performed

She joined her girlfriend, Cara, at the event.

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Karl Got Cozy With His Chic #Squad
Instagram | _moremoore

Karl Got Cozy With His Chic #Squad