Style F1422 DB Dress!

Help! I`m looking for sizes 12 & 14 of the David`s Bridal bridesmaid dress style F1422 in Victorian Lilac/Lilac! The less than helpful girl at the store did not bother to tell me the dress color was discontinued until after we decided to order it! GRRRRRR . . . And then was less than helpful when we asked her to check if any of the other stores had the size and color we needed. Does anyone know where I should go or look to get this dress?