Dressed-down Cheryl Cole enjoys a night off as she catches Mary Poppins on Broadway

By SARAH BULL Night out: Cheryl Cole posed backstage last night after watching Mary Poppins on BroadwayShe's been constantly busy since arriving in America for her role on the judging panel of X Factor USA.But last night Cheryl Cole decided to indulge in a bit of 'me time' as she went to see Mary Poppins on Broadway in New York. The 27-year-old star wore a khaki lion-print T-shirt, cream blazer