Gonna throw out my suggestions:
Money
Gift Cards to her favorite clothing store/s
Perfume
make up
hair straightener
Manicure/Pedicure at the local salon or salon school
New bookbag/purse for school (come on, school started over 2 months ago, what they got in the beginning is 'old' now, lol - hey that's what I hear from my 14 yr old)
SHOES!!! (boots, frilly)
New hair do (either hair cut, highlight, color - whatever your family allows or fancies)