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1January 18, 2025
TheStewartofNY
Kicking off 2025 in style, Sweeney accentuated the drop-waist silhouette of her slinky Ferragamo black dress with a luxurious fur stole from the same label, layered diagonally across her shoulders. She added a Chloé bracelet bag and Stella McCartney boots to step out in New York City.
2January 19, 2025
TheStewartofNY
Sweeney celebrated the falling snow with a winter-white ensemble, walking New York City’s streets in a Burberry coat with shearling trim. She embraced the weather with a snowball fight, naturally.
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3April 1, 2025
Ethan Miller//Getty Images4May 5, 2025
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At the 2025 Met Gala, the star paid homage to Hollywood star Kim Novak, known for her iconic role in Alfred Hitchcock’s 1958 thriller Vertigo. Her sequined Miu Miu gown, designed with curtains of beaded fringe and a circular chest cutout fastened by a sculptural rosette, referenced a similar piece worn by Novak in The Legend of Lylah Clare in 1967.
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5June 4, 2025Theo Wargo//Getty Images
Embracing Old Hollywood glam at the New York City premiere of Echo Valley, Sweeney tapped Vera Wang for this custom red-hot ball gown designed with a strapless sweetheart neckline, ruched peplum, and a voluminous skirt.
6June 10, 2025Karwai Tang//Getty Images
In London for the premiere of Echo Valley, Sweeney leaned into Cinderella’s dreamy princess style, wowing in a custom icy-blue Miu Miu gown with a criss-cross halter top and long train.
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7June 30, 2025
Molly Dickson//Instagram
At Jeff Bezos and Lauren Sánchez’s post-wedding celebration, the actress wore a custom boudoir gown by Galia Lahav. The picture of dark romance, the piece featured a corset bodice with a scallop-laced sweetheart neckline and basque waist, plus a tulle peplum and a sheer, lace skirt.
8September 29, 2025
TheImageDirect
For her 28th birthday, Sweeney took a page from Britney Spears’s handbook, wearing the exact metallic silver chainmail minidress the pop singer wore in a photo shoot for her Circus album in 2008. The piece hailed from The Blonds’s Spring/Summer 2009 collection.
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9October 17, 2025Karwai Tang//Getty Images
At the London Film Festival, the star stepped out in a custom Alexander McQueen gown fit for a princess. Designed in pink silk and lace, the piece featured two dresses in one: a tailored corset micro dress with a sheer ruffled maxi underneath.
10October 27, 2025
Paras Griffin//Getty Images
At the SCAD Savannah Film Festival, Sweeney wore a little white dress that was as sexy as it was angelic. The Stella McCartney piece featured a one-shoulder silhouette and exaggerated hips, draped in swaths of sheer, white fabric.
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11October 29, 2025
Gilbert Flores//Getty Images12November 13, 2025Amy Sussman//Getty Images
At GQ’s Man of the Year party, the actress took things back to the ’90s with a full-on grunge look, built around a velvet gown from Versace’s Fall/Winter 1995 collection and a matching choker.
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13December 1, 2025Aeon//Getty Images14December 2, 2025
XNY/Star Max//Getty Images
Stepping out for the New York City screening of The Housemaid, she shimmered in a plunging, body-hugging Miu Miu dress covered entirely in clear crystals.
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15December 15, 2025
Axelle/Bauer-Griffin//Getty Images
At the Los Angeles Premiere of her film The Housemaid, Sweeney channeled Marilyn Monroe with her own glamazon version of the star’s iconic white dress. A custom design by Galia Lahav, the gown featured a corset bodice and halter neckline, plus a flowing, floor-length skirt lined with fur.
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