The autobiographer Hayley Okines died at the age of 17 . Below is all you want to know, and more!
Biography - A Short Wiki
English girl born with the rare genetic disorder known as progeria, which caused her to age eight to ten times faster than normal. She was an outspoken advocate for progeria awareness and co-authored the autobiography Old Before My Time in 2012.
She was born to Kerry and Mark Okines and raised with younger siblings named Ruby and Louis.