The theory goes that we all have seven doppelgängers living across the globe but most of us will never meet our 'twins'.
But one woman, who launched a project with her friends called Twin Strangers to see if she could find her closest look-alike within 28 days, has been amazed to discover not just one, or two, but three strangers who look just like her.
Twin Strangers Co-Founder Niamh Geaney spoke to The AM Show.
Watch the video.
