This is good idea. I'm just guessing how this was done. She put braids on each side behind the ear, then overlapped braids, and secured with hair pins underneath. Make a bun on the bottom. Hair spray all over. Will try it sometime to see if my guess is correct.
Love the blue on white and would use something prettier on top as an ornament or a bouquet of blue/violet flowers sunk in a glass in the top layer.
See the "Just Married Sign" in our Templates for Wedding Decorations gallery