Oh, very pretty. I love the crisp sweetheart neckline. You can really see the heart!!
And if that is your hair on a bad day I'm seriously jealous!! You will be a beautiful bride!!
FWIW I was small busted too. They had a hard time fitting the top down small enough to fit so we ended up enhancing the cups a bit. DH was all like

when he saw me in the dress. When the dress came off the boobs went with it, lol.