The Brat saga continues. Charli XCX and H&amp;M hosted a surprise concert, drawing fashion's "it-girls" to Times Square and then to the Chelsea Hotel for afters.&nbsp;

Brat summer and the <a href="https://www.lofficielusa.com/pop-culture/sweat-tour-charli-xcx-troye-sivan-review" target="_blank" rel="noopener">"Sweat Tour"</a> may have ended, but <a href="https://www.lofficielusa.com/pop-culture/charli-xcx-snl-saturday-night-live-outfits-new-york-city-brat" target="_blank" rel="noopener">Charli XCX's</a> party girl energy isn't ceasing to keep fans on their toes. Monday night in New York City, the pop star held a surprise performance in Times Square.
The concert was free and open to any passerby. Fans &nbsp;were given less than an hour's notice from Charli and H&amp;M to descend upon the center of the city, which was, of course, lit up with Brat green billboards. She performed a 15-minute set, wearing custom pieces by H&amp;M. After all, she was on stage to celebrate <a href="https://www.lofficielusa.com/fashion/hm-collaboration-rokh-collection" target="_blank" rel="noopener">H&amp;M's</a> holiday capsule collection and the re-opening of its Times Square storefront.
This isn't the first time the British pop singer has teamed up with H&amp;M to usher in a party. They also kicked off <a href="https://www.lofficielusa.com/fashion-week/celebrities-at-london-fashion-week-harry-styles-album-charlix-xcx" target="_blank" rel="noopener">London Fashion Week</a> for Spring/Summer 2025, celebrating "365 party girl" music and style. Charli XCX also starred as one of the leading faces in H&amp;M's Fall/Winter 2024 campaign.
She "is a special friend of H&amp;M. Her spirt of innovation and inclusivity is exactly in step with our values," H&amp;M Creative Advisor Ann-Sofie Johansson said in a press release. This show marked the last of the Swedish brand's pop-up performance event series. Its Times Square storefront is set to open November 21.
Though Charli xcx was in the spotlight, she was far from the only celebrity in attendance. Model <a href="https://www.lofficielusa.com/fashion/celebrities-wearing-frankies-bikinis-amelia-gray-sydney-sweeney-gigi-hadid" target="_blank" rel="noopener">Amelia Gray Hamlin</a> hosted the glitzy afterparty, held at the iconic Chelsea Hotel where Anderson .Paak was on DJ. Charli joined, after an outfit change, of course. Keep scrolling to take a peek at who was there and who wore what, from <a href="https://www.lofficielusa.com/beauty/julia-fox-best-eye-makeup-looks" target="_blank" rel="noopener">Julia Fox's</a> mix of sequins and sweats to <a href="https://www.lofficielusa.com/pop-culture/shygirl-dj-singer-facts" target="_blank" rel="noopener">Shygirl's</a> matching set with teardrop embellishments.&nbsp;

Shay Mitchell. Photography BFA

Julia Fox. Photography: BFA

Anderson .Paak. Photography: BFA

Shygirl. Photography: BFA

Charli xcx. Photography: BFA

Hari Nef. Photography: BFA

Coco Jones. Photography: BFA

Irina Shayk. Photography: BFA

Elsa Hosk. Photography: BFA

Alex Consani. Photography: BFA

Lila Moss. Photography: BFA

Amelia Gray Hamlin. Photography: BFA

Richie Shazam. Photography: BFA

Iris Law. Photography: BFA

Photography: Courtesy of H&M

Inside Charli XCX's Surprise Times Square Performance and After Party

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Inside Charli XCX's Surprise Times Square Performance and After Party

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