The Evolution Justin Biebers Hairstyles, Justin Bieber’s hair has probably been one of the most common characteristics that people would describe him with. Throughout the years heâs changed up his look, and started rocking different styles. From the long, swoopy dark hair he had, until now with his blonde asymmetrical short hair. The evolution of Justin Bieberâs hair is quite fascinating because that was a way people would otherwise identify him with. Here it is though folks, Justinâs hair throughout the years.This hairstyle is one of Justinâs more iconic and popular hairstyles. Early in his career he had this type of style and it was more of a signature look he had, with somewhat long hair that framed his face, with swept front that went to off to the side.