
Brave: Lizzie has had the condition all her life and tipped the scales at just 2lb 11oz when she was born
I was different,' she explains.
'The only thing is that I was smaller than the other kids but I was just like them. As I got older, I became more aware of why people were staring at me and I started getting really angry.
'I hated the fact that none of these kids wanted to get to know me. In my mind, I'm just like them and I would never tell my parents I was being bullied so my way of coping with it is when I would take a bath and nobody was in the room with me, and that's when I would cry.'
But although dealing with school bullies was tough, a bigger test was to come after she was interviewed about her condition on national TV.
Motivational: Lizzie now tours the USA giving up to 200 talks on the theme of bullying and how to tackle it
Popular: Her motivational books, including Be Beautiful, Be You, are both best-sellers
said: "I just threw up over my keyboard. You're gross." The second, "eww, kill it with fire, now". Others asked why my parents didn't abort me because I'm so ugly. Can you imagine that?'
Despite the vile comments, Lizzie says she has no fear of bullies anymore and if she were to meet one in future, her response would be: 'I won'.
For now, she's concentrating on the future and the anti-bullying charity she hopes to set up.
'My dreams for the future are continuing to help others,' she explains. 'I want to create an anti-bulling company. Something for kids and adults and teenagers who are struggling and so far, my dreams have come true.'
World's Thinnest Woman: Body Bizarre is on TLC UK at 10pm on Monday November 11