Rihanna in Chanel photo. The celebrity fashion look of the day is Rihanna, seen here in Chanel. Rihanna is becoming a fashion icon for the reason that she has been taking some great risks with her fashion and she seems to have an edgy personal style. She always looks great. I especially loved the two different Zac Posen dresses she wore at the Grammy's. Rihanna in Zac Posen @ Grammy's