Fashion Frenzy: Rachel Brosnahan Steals the Show in Ralph Lauren and Rahul Mishra at Superman Los Angeles Premiere

Rachel Brosnahan at the superman premiere
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From Red Carpet to After-Party: Rachel Brosnahan Shines in Couture Ralph Lauren and Rahul Mishra at Superman LA Premiere

Superman, a Warner Bros. action/sci-fi film, was officially released last month (July 11th, 2025), and before it hit theaters, cast members, including Rachel Brosnahan, were seen expressing unwavering support in cities around the world, including Manila, Rio de Janeiro, London, Paris, Los Angeles, New York, and Beijing. During the promotional tours leading up to the release of the film “Superman,” she captivated audiences and excelled at every venue, especially when she arrived at the TCL Chinese Theatre on July 7th, 2025, for the Los Angeles premiere with co-stars Nicholas Hoult, David Corenswet, Isabela Merced, Sara Sampaio, and others.

Rachel Brosnahan was photographed in two different customized outfits throughout her promotional tour stop in Los Angeles, including a Ralph Lauren shimmering evening gown and a Rahul Mishra embroidered dress that she wore from the red carpet to the afterparty, both of which referenced her role as Lois Lane in “Superman.” Continue reading to see Rachel Brosnahan’s gorgeous Ralph Lauren and Rahul Mishra dress at the Superman Los Angeles premiere.

Rachel Brosnahan dazzles on the red carpet at the Superman Los Angeles premiere in a custom Ralph Lauren backless dress.

Rachel Brosnahan on the red carpet for Superman Los Angeles

Credit: Matt Winkelmeyer/WireImage

First, this 35-year-old American actress and fashion icon was spotted on the red carpet inside TCL Chinese Theatre, looking lovely as always in a long Ralph Lauren bespoke evening gown with a startling neon blue hue.

This look was inspired by Ralph Lauren New York’s Spring/Summer 2017 ready-to-wear collection, which included a sequin-covered sleeveless sculptural square-neck bodice with an open back that accentuated Rachel Brosnahan’s back and the elegant contours of her hips, resulting in a flattering and striking silhouette. The gown also had a flowing hem that highlighted her stunning figure, and it was completed with David Yurman accessories, including “Liberty Illusion-Set” drop earrings and a “Liberty” ring.

Rachel Brosnahan embodied Hollywood elegance in her clothing while reflecting her role as Lois Lane’s forceful demeanor.

Rachel Brosnahan in Raph Lauren

Rachel Brosnahan donned a Ralph Lauren square-neck backless sequin gown with David Yurman accessories to the Superman Los Angeles premiere. Photo by Maya Dehlin Spach/Getty Images
Ralph Lauren sketch
A look at the Ralph Lauren bespoke sequin backless evening gown designed for Rachel Brosnahan to wear for her Superman Los Angeles premiere. Photo courtesy of @ralphlauren/Instagram
Model wearing Raph Lauren
The Ralph Lauren Spring/Summer 2017 collection show during New York Fashion Week featured a sleeveless sequin gown with an open back. Credit: Peter White/Getty Images

Rachel Brosnahan wears a Rahul Mishra Haute Couture dress for the Superman Los Angeles premiere.

 

Rachel Brosnahan wears a Rahul Mishra Haute Couture dress
Source: @rahulmishra_7 via Instagram

Rachel Brosnahan attended the Superman Los Angeles after-party at Club Metropolis, following her stunning red carpet appearance inside TCL Chinese Theatre in a Ralph Lauren gown. She arrived at the occasion looking stunning in a Rahul Mishra strapless mini dress converted from black to dark blue by the fashion designer’s Paris Haute Couture Spring/Summer 2025 collection.

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This couture short dress featured gorgeous “Cityscape” 3D metal frame patterns that beautifully reproduced a glittering skyline—a subtle homage to Lois Lane’s New York City roots and the popularity of the Superman franchise. Rachel Brosnahan accessorized her dress with a gorgeous pair of black ankle-strap platform sandals and the same magnificent David Yurman earrings and ring she wore on the red carpet.

Rachel’s effortless transition from a stunning gown to a couture short dress highlighted her great fashion sense and versatility.

Rahul Mishra Haute Couture dress

Rachel Brosnahan in a Rahul Mishra “Cityscape” 3D embroidered short dress at the Superman Los Angeles premiere. Image credit: @luciodirosa on Instagram
Model wearing Rahul Mishra Haute Couture dress
Rahul Mishra Haute Couture showcased a 3D embroidered short dress at the Spring/Summer 2025 Paris Fashion Week show. Image credit: Thierry Chesnot/Getty Images

Which of Rachel Brosnahan’s Superman Los Angeles Premiere outfits was your favorite: the Ralph Lauren sequin gowns on the red carpet or the Rahul Mishra embroidered dress she wore to the after-party? Please let me know in the comments, and stay tuned to Fashonation Bellah Kwamy for more stunning celebrity fashion moments.

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