I used to be so jealous of girls with long, flowing locks, because they could just throw their hair up effortlessly into a chic bun at any given moment! I was jealous, that is, until I discovered what I like to call: the doughnut. You can buy these at any beauty supply store, they only cost about $4, and they create the illusion of voluminous hair, even if it is short, and thin.
My hair is about collar-bone length, and I had just enough hair to pull this bun off. Here are the steps in visual form: