She wrote: "guys please help me - is this dress white and gold, or blue and black? Me and my friends can't agree and we are freaking the **** out."
The debate is fierce all over the internet and among people everywhere!
What do you see? Comment below!
THEORIES:
1) It's all some kind of weird eye test by this guy:
2) It's all in the lighting:
3) Is it a Roman Originals Dress?
http://www.romanoriginals.co.uk/invt/70931?colour=Ivory
4) Adobe color gives us answers
5) It's an optical illusion
Celebrities weigh-in!