So are you using a wig or not? It looks like you aren't, so extensions? You could tuck your bangs away behind the headband with clips and such and then some how attach extensions to the headband? xDD I dunno, just throwing ideas.
You might want to use a wig if there aren't any suggestions. -nod-
Dragon*Con '11- Sansa Stark, Little Sister, Belldandy, Rainbow Dash