Simple Question: What Color Is This Dress? [Photo]

The question is pretty simple: What colors are on this dress?

Tumblr user swiked uploaded this photo the other day and asked her friends for help.

Shared from swiked using Embeddlr

Some said white and gold. Some said blue and black.

So, which is it: Is the dress white and gold or blue and black?

Source: Free Beer & Hot Wings