Katherine Jenkins vamps up strait-laced image with dazzling circus show fit for Madona

Katherine Jenkins has always been desperate to play the good girl in public, even in the face of a drug scandal. But that, it seems, is a thing of the past.The opera star has thrown caution - and her carefully cultivated clean-cut image - to the wind for her new 12-date tour, which kicked off at Birmingham's NIA last night.The mezzo-soprano put on a rather racy display for the concert's