I was going to wait for a new thread to post this, but I'm about to head out and I don't know if I'll be on tomorrow, so here's an update on what I've been working on. I still haven't figured out how I'm gonna do the upper part of her hair. It looks weird when I use hard shadows, but it doesn't really look much better with soft shadows.
https://i.imgur.com/qQDhaTa.jpgThat's the source for comparison.