Reminds me of a modern Victorian lady who is a governess, but a sexy one.  Like Mary Poppins, but more dignified.  I would add a lining and a modesty panel and a magical handbag.

Satin 3/4 Long Sleeves A Line Wedding Dresses 2015 Sheer Deep V Neck Lace Appliques Ruched Bridal Gowns Cosmobella 7746 Court Train