Yep: it's the infamous dress, all over again.
Literally the same color scheme and everything.
Over the last few days, pictures of these (clearly white and gold) flip flops have been doing the rounds on Twitter:
No one can decide if they're white and gold or blue and black:
If it's anything like that whole dress saga (which, judging by the fact everyone is seeing the same colour schemes, will turn out to be the case), then the flip flops are black and blue.
Chances are, the confusion has been caused by the same optical illusion as last time.
Click through to see more social media reactions to the flip flops: