I wore this once for my brother's wedding in September and got many compliments on it. It is from the vera wang white collection and was purchased new.
Here are the details from David's Bridal where i purchased it.
Crinkle Chiffon Column Gown $178.00 Style: VW360105 Long and luxurious bridesmaid dress with beautifully draped bodice and soft flowing sash. Strapless column gown features asymmetrical draped bobbin net bodice and flowing sash.