No, we’re not kidding. This chart-topping diva has gone through dozens of styles in 2011 alone. According to the rumor mill over at Coco Perez, Rihanna spends approximately $1900 a week to keep her hair looking its best. Rihanna’s celeb-renowned hair stylist, Ursula Stephen, charges $285 per day for her services and with this celeb’s crazy schedule she could be on call as much as 6 days a week.