This hairstyle is nice for you who want to have sexy and glamour look. In this blonde voluminous curly bob hairstyle Gwen Stefani has amazing look. Get this hairstyle by va-va volume by adding volumizing mousse to the roots and blow-drying with your head turned upside down. Roll hair in hot rollers, going in haphazard directions. Finish with hairspray. Keep in mind that the horizontal volume will make a round face look even more round.