Artists have been obsessing over faces for millennia. From the Ancient Greeks to Leonardo Da Vinci, they studied human facial proportions to create a standard for sculptors and painters to follow. In the process, they discovered some major consistencies within our mugs—when you map them, most of our face measurements are strikingly similar.

Upload your photo to see how your face stacks up, and find out which celebrities your face proportions look like. You'll be interested—and slightly comforted—to know that many of today's most beautiful (and famous) faces fall outside of the artistic ideal.

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