Angela Davis, the celebrity spin instructor who saw her star rise thanks to classes that doubled as religious experiences attracting the likes of Oprah Winfrey, Beyoncé and Ciara, has resigned from Soul Cycle.* A former member of the USA Track and Field Team, Davis spent eight years as a Soul Cycle instructor and she finished her final day of classes Oct. 11. Many of her biggest industry supporters turned out to say their goodbyes and spin one last time with her. Those who showed up to one of her two final classes were boldfaced names like Jay-Z, Kerry Washington, Busy Philipps and husband Marc Silverstein, James Franco, producer Pilar Savone, talent manager Michael Baum, real estate agent Kennon