Add Fullness With A Shag

This shaggy, bobby affair is a great way to create fullness for those of us with thin hair. Its layers and length allow for added volume effects to be achieved with a round brush, a little product, and some heat. Throw some highlights in for added dimension.
Meg Ryan has rocked variations of this do throughout much of her career. Fun fact: Ryan’s iconic style was actually a happy accident as she inadvertently singed off a significant chunk of her hair during rehearsals using an active curling iron for the movie French Kiss.