No, it's not the new dress, but it's another interesting optical illusion that people are working themselves up about.
An image posted on Twitter shows a pair of legs, with the caption asking: 'Are these legs shiny and oily or are they legs with white paint on them'
At first you might be convinced that the person's legs are covered in oil, as they appear to be shiny.
From the responses a lot of people were struggling to absorb this sensory overload.
Once you enlarge the image, or even just look at it properly, you can see that it is, 100 per cent, absolutely no question about it, streaks of white paint or a white marker pen.
The indy100 team debated the oily vs white paint problem for a few minutes before things got too heated and we all had to go and have a cup of tea.
The original tweet appears to have been made by @msbreeezyyy who shared the following on 25 October:
So we're all agreed. It's definitely white paint.