2009 Rihanna Hairstyles and Haircuts. Rihanna is always making changes to her hair, and for 2009 her styles changed so often that I could barley keep up. From her pixie cut turning into a mohawk, to her mohawk being shaved on the sides, to Rihanna adding blonde highlights, and even hair extensions. Ms Ri has been quite busy changing her edgy style but each looks represents who she is. See all of her hot styles from 2009 below.