Amazon maternity dress for wedding

S.A.M • Mommy to twin girls!!! 🎀🎀

I have a fancy wedding coming up in a few weeks for my cousin. I am currently almost 20 weeks with twins so not sure how big I’ll be in a few weeks! I wanted to order a dress from amazon that is fancy but not overly tight because that’s not me. Any suggestions? It’s also an indoor wedding. Thanks! :)