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Kristen Stewart Is Couture AF In New Chanel Promo Vid

Ooh la la.

Kristen Stewart heated up the whole summer when she suited up for Chanel's Haute Couture show in a two-piece velvet sensation that had us all crushing HARD.

Chanel's new campaign video for its Mademoiselle Privé exhibition -- featuring portraits of Stewart and her fellow Chanel-clad celebs draped in the house's "Bijoux de Diamants" collection -- shows some behind-the-scenes photography action of the girls in their decadent show garbs.

For Kristen, it was a swanky couch scene that set the mood for her moment in Karl Lagerfeld's sights.

"I'm sure that as an artist Karl works instinctively and compulsively in the same way that he does in all of his mediums," Stewart explains in the vid. "But really in his photography there's such a naturalism. Once he sees something, you could be done in five minutes and you don't even realize that you've just finished the entire thing because he just knows exactly what he wants."

The Saatchi Gallery in London will showcase the images as part of its sartorial profile of Karl Lagerfeld's contributions to to the Chanel brand of the years, from Oct. 13 to Nov. 1.

She added that her loyalty to Madmoiselle Chanel stems from its representation of "the true strength of a woman -- it's not about being loud or in your face. It's about being subdued and knowing."