We think we've stumbled across the key to celebs not being spotted.
It's such a good idea, we're thinking about patenting it.
To prevent Joe and Joanne Public from recognising them in the street, lady stars should venture out without their make-up on.
And it's all thanks to this lass - who looks nowt like her usual self sans foundation and other slap.
Have you figured out who she is yet?
Well done if you have, no sweat if you haven't.
You can get her name - and compare her mush to her slap on one - in the gallery.
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