Cute shoes. Sometimes I forget what your natural hair color really is, due to the minstrations of the fabulous Deeah. And while she does awesome work, she has a great base to work from. Your hair is gorgeous.
They say hair grows about 1/2" per month, so I'd say that at least the top 3-4 inches are your natural color. Which is a fairly decent strip and if you had bleached your hair blonde or dyed it black you'd see BIG TIME.