Bari Jay 251 NEED HELP WITH A BARI JAY DRESS.....?

NEED HELP WITH A BARI JAY DRESS.....? - bari jay 251

my cousin got married the 26th this month has come, our dresses and bridesmaid, and I is about three sizes too small. I now have to find a replacement, and do not know where to look or move or anything. I started to panic a little. It is the number 318 in Bari Jay Berry color style and I need a size 14th