I'm hoping that was a clean answer, and referring to her screeching abilities, not an unfortunate gathering of the words "Cock", "up" and "Lesley Garrett". I wouldn't do that either...
I just hate this trend of getting wailing women to do anthems at sporting events. I was, however, a little transfixed by the sight of Katherine Jenkins at a major rugby do a while ago. Quite captivating, although I have no idea of whether or not she was singing, all my sensory abilities were focused on sight, not sound...