A woman has knees that resemble both - Mitchell Brothers

A woman has knees that resemble both - Mitchell Brothers.

Holly Fairfax, 40, says if she stands up straight her knee caps shift and begin to resemble Phil and Grant from Eastenders.

She says If she the flexes the muscles in her legs the ''mouths'' begin to move - making it appear as if the faces are talking to each other.

Holly, from Braunton, Devon, said she learned the party trick some seven years ago.