Read the book i think it should say it
From what I believe and I read the story years ago she borrowed it from a friend of hers. she wanted to go out in the town and have all the eyes on her for once and she did catch everyone's attention. it was radiant and glimmered but was actually paste/fake. basically she wanted to show off
When a person is proofreading, the category on which a person needs to focus is conventions.