Girl Doodle

I was bored today (and procrastinating like heck), so I tried drawing a girl. I personally like the sketches better than the final colored version, but hey - that's why I added all three for you to see.

(I also used another girl's art to model this off of. I can't remember her name, but if you know which doodle I'm talking about, please tell me!)

(I'm also open to criticism. C