Prom Dress and TWILIGHT?

Question

what is the meaning of people wearing their prom dress

to buy tthe new twilight book?

(I have NOT read the book)

Answer 1

the different bookstores had character contests and dress-up contests to celebrate Breaking Dawn's release. The prom scene was a big part of the book Twilight, so that is why many wore prom dresses

Answer 2

there was a costume contest for at barnes and noble and borders for the release of breaking dawn.

Answer 3

They probably want to go to their prom with the evil undead vampire.

Sick, if you ask me. Read a REAL book.