Kate Middelton, Duchess of Cambridge struggles at the Place2Be Headteacher Conference Kate Middelton, Duchess of Cambridge struggles to contain her .\r<br>\r<br>The Duchess of Cambridge delivers a speech on childrens mental health at Place2Bes Headteacher Conference in London.\r<br>\r<br>Catherine, Duchess of Cambridge attends Place2Be Headteacher Conference at Bank of America Merrill Lynch on November 18, 2015 in London, England.\r<br>\r<br>Watch Kate Middleton deliver rare public speech as she describes wonderful and secure childhood, Duchess Kate speaks for mental health charity, Kate .
