The lovely Lauren Laverne confesses her biggest fashion sin toFashion Priest- but are some crimes too great for absolution? Watch and find out!');Amex Entertainment Insider Lauren Laverne will be getting a sneak peek behind the scenes of some of the handpicked events that make up the 2012 American Express Preferred Seating programme. For more information visit Facebook.com/AmericanExpressUKRelatedfashion newsStyle