Why we're 'living in the golden age of the doppelganger'

It's been a year of lookalikes – but the lure of the "second self" goes way back to the folklore of the Irish "fetch" and the Nordic "fylgja", and to the writings of Edgar Allen Poe and Sigmund Freud.

In March of this year, someone with the feline eyes, blonde hair and high cheekbones of Kate Moss walked the catwalk at Paris fashion week. But it wasn't Kate Moss. Online there was confusion. "Isn't that just Kate Moss">window._taboola = window._taboola || []; _taboola.push({ mode: 'alternating-thumbnails-a', container: 'taboola-below-article', placement: 'Below Article', target_type: 'mix' });