Give her the same name as a Disney princess. Then let her watch this:
(From minute 2:00 on.)
[Note: As you may have noticed, the “Play” buttons on the above two images are merely decorative, not functional.]
Update: Dean reminded me that Sleeping Beauty’s Princess name is Aurora, and that Briar Rose is her “incognito” name. No wonder I was surprised to hear the ghostly voices calling out “Rose” over and over when the sounds from the DVD wafted down to my sewing room.
2nd update: Sunday morning, Rose told me that she had a dream that the big dragon from Sleeping Beauty was trying to kill her, but then the dragon died and she married the prince, so it ended okay, “and that’s why I didn’t have to come get you.”