Exclusive | Hair-raising: Lisa Rinna’s Oscars party dress was made from 11 pounds of extensions

There’s not a hair out of place on Lisa Rinna’s latest look.

The “Traitors” star arrived at Elton John’s 2026 Oscars party on Sunday wearing a one-of-a-kind Christian Cowan dress adorned with multiple yards of glossy brunette hair extensions — 11 pounds’ worth, to be precise.

“With this project, I wanted to bring hair further into the world of fashion,” Cowan tells Page Six Style exclusively. “Instead of hair simply finishing the look, it becomes the look.”

He worked with Tresemmé on the unique design, which combines his signature playful style with products from the brand’s A-List Collection. (A team of 16 people dedicated 152 hours to the creation, from the sleek bodice to the long train.)

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Lisa Rinna’s look for the 2026 Elton John AIDS Foundation Oscar Party was fashioned from multiple yards of hair extensions. WireImage

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“With this project, I wanted to bring hair further into the world of fashion,” designer Christian Cowan tells Page Six Style exclusively. Getty Images for Elton John AIDS Foundation

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“Instead of hair simply finishing the look, it becomes the look,” Cowan adds. REUTERS

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The dress features 11 pounds of hair. Tressemmé

“Just like we would style our hair, the A-List Collection helped to shape the hair into the couture form while maintaining that unmistakable movement,” the designer explains, saying he became “really fascinated with the texture and movement of hair itself.”

“Hair can be braided, wrapped, twisted or smoothed,” he adds. “It behaves almost like fabric when you think about it.”

He also used Tresemmé products at his New York Fashion Week show this February, with models like “Heated Rivalry” star Ksenia Daniela Kharlamova completely transforming their tresses with the line’s smoothing formulas.

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Cowan says hair “behaves almost like fabric.” Tressemmé

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All the hair for the look was first styled using Tresemmé A-list Collection products. Tressemmé

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A team of 16 people dedicated 152 hours to the creation. Tressemmé

Rinna was perhaps the perfect star to wear Cowan’s latest look, given she never shies away from a headline-making mane moment — whether she’s test-driving a red pixie cut, a blond bouffant or a viral pageboy ‘do.

It’s not the first time a celebrity has worn a hair-covered dress to an Oscars event; Julia Fox channeled Botticelli’s “Birth of Venus” at last year’s Vanity Fair party, wearing a sheer Dilara Fındıkoğlu design with strategically-placed curls.

With Rinna now joining in on the fun, it remains to be seen whether the trend will take off with more stars — or if it’ll be hair today, gone tomorrow.