Thirteen is based on Nikki Reed's death at age 12 and 13.
Thirteen is a 2003 American semi-autobiographical drama film , directed by Catherine Hardwicke , and written by Hardwicke and Nikki Reed , based on events from Reed 's life at age 12 and 13 . It stars Evan Rachel Wood , with Wood 's character `` Tracy '' being loosely based upon Reed .