So sorry to hear about all the trouble you guys are having!
Hopefully she has a good explanation; I hope nothing is wrong with her.
If she is online it is very rude of her not to respond.
It only takes 2 seconds to reply to a PM, even if it's just to acknowledge that you got it
I hope you guys get your dresses or your refunds! If you need any legal help or advice feel free to PM and I'd be happy to help you out as much as I can.