Did you see the photo of Sarah, Duchess of York taken for Italian Vogue magazine? In diamond-dripping, cleavage-baring style, Fergie sends out a defiant message to divorcees the world over. Look at me, she seems to be saying, middle age doesn't have to mean goodbye to glamour. Until, that is, you look at the unflattering picture of her on holiday in Spain and realise that, in these airbrushing days, the camera most definitely does lie.