What color is this dress?
Even celebrities are weighing in, with many being Team #whiteandgold.
Read some of their responses, and then find out what color "science" says it is:
We feel so bad for John Mayer!
But John is getting right back on the horse (or in this case the guitar), performing with his band The John Mayer Trio on Late Night with Seth Meyers.
It looks like he's really pouring himself into his music. John always makes those kind of pained faces when he plays guitar solos, but do we detect a little more sadness than usual?
Ch-ch-check out the video (above) to see for yourself!