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Kendall Jenner and Gigi Hadid walk Paris runway — with each other's hair color

Two of the biggest names on the runway debuted new looks Thursday.

Well, not exactly new, but borrowed.

Vittorio Zunino Celotto / Getty Images file
Kendall Jenner and Gigi Hadid pose backstage ahead of the Versace show during Milan Fashion Week on Feb. 26.

Kendall Jenner and Gigi Hadid stepped onto the runway at the Balmain Paris Fashion Week show with each other's hair color: Jenner went blonde and Hadid rocked a dark 'do.

opened and closed @balmain LOVE YOU @olivier_rousteing !!!

A post shared by Kendall (@kendalljenner) on

Pascal Le Segretain / Getty Images
PARIS, FRANCE - MARCH 03: Gigi Hadid walks the runway during the Balmain show as part of the Paris Fashion Week Womenswear Fall/Winter 2016/2017 on March 3, 2016 in Paris, France. (Photo by Pascal Le Segretain/Getty Images)

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Though the models' new hair colors look real, Fashionista confirmed that all of the models at the Balmain show were wearing wigs.

Alessandra Ambrosio and Karlie Kloss also walked with lightened locks. Ambrosio shared a photo of herself and Kloss with the caption, "Blondes have more fun."

Blondes have more fun 💕💁🏼💕💁🏼💕 with my #blondesister @karliekloss at the @balmain #backstage

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Jenner also posted to Instagram with a pic of herself and Hadid.

She wrote, "#KenGi swap -- post @balmain."

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Needless to say, KenGi fans are going crazy.

But not all fans are sold on the color swap. One person commented on Instagram, "Why did Gigi do that to her hair no omg."

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Another Instagram user noted that people may want to swap hair colors with friends at their own risk, writing to a friend, "If we did this we would look insane."

Yep, sounds about right!

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