Maybe have her cut a couple of inches off? Then you can see how it is a bit shorter, and see how accurate she is? Good luck!

SF Bay Area, CA * "The Angel-Goddess-Guru of Haircoloring"
3b/c/a mix. medium texture, low porosity
* pw: just4curlies
* My Motto: Strand Test!
some hair pics
-- gone, but never forgotten.