You dont have to dress up......but its MUCH more fun if you do! Get creative! copy a character from the movie, or come in your best ball room dress! all costumes are welcome!

here are a few links to help you out!

http://en.twilightpoison.com/fans_cullencostumesboys.html

http://www.ehow.com/how_4669096_dress-like-bella-twilight.html

http://en.twilightpoison.com/fans_cullencostumes.html

http://en.twilightpoison.com/fans_cullencostumesclothes.html