Short hairstyles have been popular for women since the 1920's. Louise Brooks's bob hairstyle in 1917 became the most popular hairstyle of the 1920's. Women of this time period threw out their corsets as they ventured out on a quest for freedom and they began cutting their hair short. Short hair became the new hairstyle for women as they entered the workforce. Short hair has long sense been a symbol of freedom and professionalism for women.
This type of haircut, however, is not appropriate for all kinds of women. They are certainly not made for those with rounder faces, because they tend to emphasize the shape. Thus, they would only look bigger. They are more ideal for girls with more pronounced chins or jawbones. Then you have spike of Victoria Beckham and Pink. It combines a lot of elements of other hairstyles. First, it's usually cropped or very short. Then the hairstylist has to layer the hair. The only difference is that the ends of the hair should never fall down but instead appear like spikes, going into different angles.