Rooney Mara Wows in Stella McCartney and Louis Vuitton at “Bucking Fastard” Venice International Film Festival—See Her Striking Red Carpet Look
Rooney Mara arrived in style on the second day of the 83rd Venice International Film Festival, which runs from Wednesday, September 2, to Saturday, September 12, 2026, on the Italian island of Lido di Venezia. While arriving at the festival, the 41-year-old American actress joined her sister Kate Mara to promote their new film “Bucking Fastard,” which is based on the lives of Freda and Greta Chaplin and stars them as twin sisters Jean and Joan Holbrooke.
During the “Bucking Fastard” Venice International Film Festival premiere, Givenchy ambassador Rooney Mara wore Stella McCartney during the film’s photocall and a Louis Vuitton gown on the red carpet at Sala Grande. In this piece, we are going to take a closer look at Rooney Mara’s Stella McCartney and Louis Vuitton ensembles from the “Bucking Fastard” Venice International Film Festival. Continue reading to find out how she astonished the crowd in these two outfits while promoting her film.
Rooney Mara wears a Stella McCartney two-piece ensemble at the “Bucking Fastard” photocall.
Hiraeth Collective founder Rooney Mara attended the “Bucking Fastard” photocall at the Palazzo del Casinò during the 2026 Venice International Film Festival, dressed in an all-white ensemble that underscored her beauty, elegance, and refined poise.
She wore a cotton-poplin two-piece ensemble inspired by the look model Yar Aguer debuted at Stella McCartney’s Spring/Summer 2026 ready-to-wear show during Paris Fashion Week. The ensemble featured a sleeveless, tiered halter top with delicate spaghetti straps secured at the neck and draping gracefully over its tent-like hem. It was paired with a matching low-rise skirt, asymmetrically ruffled and cut short at the front before extending beyond the knees into a long, voluminous, cape-like train.
To complete her white monochromatic ensemble for the premiere of “Bucking Fastard” at the Venice International Film Festival, Rooney Mara chose Giuseppe Zanotti “Intriigo” mules with an elegant 90-millimeter heel, complemented by bespoke Swarovski pieces that added a subtle sparkle and refined finish to her look.
Rooney Mara in a Custom Louis Vuitton Dress at the “Bucking Fastard” Screening
Following her arrival at the “Bucking Fastard” photocall in an all-white ensemble, “Mary Magdalene” star Rooney Mara made another striking appearance at the film’s screening at the Sala Grande, this time dressed in elegant black. She wore a sophisticated sleeveless Louis Vuitton slip dress designed by creative director Nicolas Ghesquière and crafted from smooth, structured black satin.
The dress featured a spaghetti-strap bodice with a flattering V-neckline and a flowing maxi skirt defined by a unique architectural design of multiple dense layers of heavily gathered, ruched fabric, creating a striking puffball texture.
Rooney Mara refined her monochromatic black ensemble on the red carpet with Aquazzura “Purist” satin pumps, complementing her Louis Vuitton dress, The Row “Cecily” silk top-handle bag, and custom Swarovski jewelry.
Her polished, cohesive appearance made a lasting impression.
What do you think of Rooney Mara’s Stella McCartney and Louis Vuitton looks at the “Bucking Fastard” premiere during the 2026 Venice International Film Festival? Share your thoughts in the comments, and follow Fashonation Bellah Kwamy for more standout celebrity red-carpet fashion moments.
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