Activity for Lauren

Does each bridesmaid need to order their dress from the same store or will the colors match if they buy them in separate bridal shops? I have one BM in Philadelpha, One in DC area, and Three in NY. The dresses are DaVinci and are burgundy in color ...

I was told that all my bridesmaid should order their dresses from the same store so that all the dresses are made from the same dye batch and will be sure to match. Is this true or if they order the same dress from a different store will it match...