Source: Pic cropped from "We Rule This School" from the Live Show of PCS
I think BR is absolutely right ;)
photo
barbie
princess
charm
school
hadley
live show
This Barbie Movies photo contains
gown, dinner dress, dinner gown, formal, evening gown, and ball gown.
There might also be
balldress, bridal gown, wedding gown, wedding dress, and tea gown.