When he was 4 and looked like 2, all his friends wanted to pick him up like he was a baby ... sometimes referred to as Thumbelina syndrome because of the fragile, doll-like stature of the children ...

Sophia arrived into the world weighing just 4lb and 13oz and measuring 46cm – below average for a newborn.? And when she was placed beside a doll her mum had bought for her, Sophia was shorter.?

When she was born, her mother, Brianne Jourdin, 36, was warned her daughter - who was so small nurses named her 'Thumbelina' - was ... many have described as a 'doll-like' appearance.