This is the cake from the Prince William and Kate Middleton wedding which took place on 29 April 2011 at Westminster Abbey in London. This Royal Cake took 5 weeks to make! It was an eight tiered fruitcake. Here is more about the wedding, minus the cake: http://en.wikipedia.org/wiki/Wedding_of_Prince_William_of_Wales_and_Kate_Middleton
The Duchess Of Cambridge Kate Middleton In Power Struggle With The Duchess Of Cornwall Camilla For Queenship? - http://www.movienewsguide.com/duchess-cambridge-kate-middleton-power-struggle-duchess-cornwall-camilla-queenship/113846
The Cartier Halo Scroll Tiara Originally worn by the Queen Mother, Lady Elizabeth. The tiara was purchased by the Duke of York (King George VI) for the Duchess of York (the Queen Mother) in 1936. It is a rolling cascade of scrolls that converge in a central ornament surmounted by a brilliant diamond.