Paris Hilton got tongues wagging as she hit the red carpet at the Met Gala - but it wasn't her bespoke gown or the protestors blocking her first ever appearance at the annual event that made the biggest impact.
Paris stepped a very high-heeled foot out of her comfort zone in more ways than one at the sartorial extravaganza.
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The 42-year-old reality TV star and heiress ditched her signature pink for a black, leather mermaid gown with a rhinestone bustier and gloved sleeves, accessorised with a rosette choker necklace and sparkly platforms.
Marc Jacobs told Vogue from the Met Gala: "I thought, maybe it would be interest and exciting to see her in a black gown 'cause it's not typical for Paris."
He said that she was 'all game' for the outfit, despite it wavering from her usual rosy wardrobe.
But it wasn't her outfit or the protestors chanting and laying out a banner in front of the socialite's car, which said: "The 1% are killing the climate," that got fans talking.
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Instead, it was all about the colour of her eyes.
Famous for her all-American blonde hair and blue eyes, fans made a beeline to Reddit to voice their surprise.
One said: "Is this the first time she’s been without the blue contact lenses?? She looks fantastic," commenting on how the socialite's brown eyes glowed beneath her smokey eye makeup.
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Another hadn't quite been able to pinpoint the subtle change that made such an impact, writing: "I knew something was different but I couldn't put my finger on it!"
Another pointed to her resemblance to her Real Housewives alumni aunt: "Woah! She looks so much like her aunt Kim Richards without the blue contacts."
A fourth simply commented: "That’s hot."
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The big reveal of her true eye colour follows Paris revealing her 'real' voice in 2020 after admitting she'd been 'playing a character' for years.
She admitted to 7News Australia that she wanted to change her legacy - as well as what people thought of her - with a tell-all documentary on her life called This is Paris.
During the interview the star used her lower 'real voice' for the first time, leaving viewers shocked.
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Paris admitted that her famous baby voice and valley girl persona was part of her public persona and that she isn't the 'dumb blonde' everyone believed she was.
"This entire time I have been playing a character so the world has never truly known who I am," she told reporters Sam Armytage and David Koch.
"I feel it's time for the world to finally know how I was. I feel that I've been through so much."