 They have sold over 3.6 million records worldwide with the help of producer Brennan Mills.The Cheetah Girls had a television movie, based on a best-selling series of young adult books of the same name by Deborah Gregory, which was filmed in October and November 2002, and debuted on August 15, 2003.The movie's DVD sold over 800,000 copies and the film received over 84 million viewers worldwide.