CAST your mind back to the simpler times of 2015 and you'll remember it was the year that a single optical illusion divided the world.
Thanks to THAT viral dress, you either belonged to the group of people who believed it was blue and black or those who saw white and gold.
Well it's been six long years since shopper Cecilia Bleasdale accidentally kicked off a viral debate and now there's ANOTHER colour-changing dress causing a stir online.
Earlier this week, Australian news presenter Kendall Gilding, 26, posted a photo of her "white" dress before she went live on Channel 7.
Sharing her outfit details with her 13,000 Instagram followers, Kendall wrote: "Wednesday in White! Living for this dress – the smooth lines, lapel collar detail, divine fabric, the freshest of white."
"Looking beautiful in baby blue," one commented.
Another added: "Definitely blue but beautiful!"
A third wrote: "It looks blue to me?"
The news anchor then shared a photo from inside the studio with brighter lighting to prove that her dress was actually white.
She wrote: "For everyone debating whether my dress was white or blue - here’s a photo in the news studio!"
But why did it look baby blue in Kendall's first photo? Well it could be down to the colour of the wall she was posing by.
In the case of 'The Dress' from 2015, Prof Stephen Westland told the BBC that the brain's perception of colour can be influenced by the colour of other objects and the light they reflect.
"People think if they take a photo of something, people will see the same thing but of course that is not true," he said. "If it hadn't been taken under very strange lighting this probably wouldn't have happened because if you look at the manufacturer's picture, it is indisputably blue and black."
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