I loved Hayden's dress and knew it had to be an Alice + Olivia. I searched all over and finally found it! Warning: this outfit is $$$!!
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[0]Alice + Olivia Sequin Dress $398 (http://store.irissinger.com/alolsesttadr.html [1])
[1]Beatrix Ong $498 (shopbop.com)
[1]Goldenbleu Parker Tote $695 (neimans.com)