 As old family friends, the Duke and Duchess attended the wedding of Prince William and Catherine Middleton.The Duchess was unhappy in her ducal role until her husband suggested that she should renovate The Alnwick Garden, a large ornamental garden at the family seat, Alnwick Castle.She started the work on the garden in 2000, and turned it into one of North East England's biggest visitor attractions, as well as one of the country's most controversial ones.