The Duchess of Cambridge dazzled in a diamond tiara that belonged to Princess Diana, as she arrived at Buckingham Palace for a state dinner with Queen Maxima and King Willem-Alexander on Tuesday evening.<br />King Willem-Alexander is making his first official state tour of the UK after ascending to the throne in 2013 follwing his mother Queen Beatrix's abdication.<br />The Dutch royals are currently on day one of a two-day state visit to the UK. The Dutch royal family last visited Britain in 1982, when Queen Beatrix was still on the throne with husband Prince Claus.
