Kate Middleton's Mother's Day'Photogate'has served to remind her that being Princess of Wales is a performance. Every movement, every smile or raised eyebrow, every image of herself is part of her defining function: simply being'royal premium' The long silence that has surrounded Kate's continued absence has given rise to such 'conspiracy' theories as that her hair has fallen out due to radiotherapy to treat cancer.

Lady Rose Hanbury is the granddaughter of Lady Elizabeth Longman, bridesmaid at Queen Elizabeth II's wedding in 1947.