Sir Philip Green is one of the most powerful forces in fashion as his High Street stores are frequented by most of us on a regular basis. This month, CNN are profiling the retail mogul as he expands his business across the Atlantic. Watch a short preview of the Revealed documentary which is due to air tomorrow on the news channel at 5.30pm. The documentary includes input from Anna Wintour, Simon Cowell and Vera Wang. There is also some footage from behind the scenes at Topshop's London Fashion Week show. Are you interested in this programme?