It is very rare that I have someone else write for Beauty Unbiased, but when my friend @SoVeryAshleigh and I started talking about Rihanna's attention grabbing hair at the American Music Awards, two things became obvious: 1. the subject was an important conversation to have, and 2. I needed more education about the cultural significance and even explanation of Rihanna's hairstyle. Ashleigh agreed to share the five reasons why she thinks RiRi's hair is relevant and fantastic with us. Photo from eonline.com Guest Post By: Ashleigh Washington, @SoVeryAshleigh There is not a whole lot to be said about last night's American Music Awards, but one of the most memorable and relevant subjects is Rihanna's seemingly unusual, hair -- pinned, adorned, slicked down hairstyle, better know as a "doobie". The moment she appeared on the stage to accept the first-ever American Music Awards Icon Award, me and my friends gasped and applauded, simultaneously confu