Britain's Prince William and his wife Kate, Duchess of Cambridge, wave to the crowd from the balcony of Buckingham Palace in London, April 29, 2011, following their wedding.

Kate Middleton and Prince William weren’t at the Venice wedding of Lauren Sánchez and Jeff Bezos —but inspiration from their royal wedding in 2011 made it to the Italian city.

As the Royal family announces the highly-anticipated engagement of Prince William and Kate Middleton, “ Dateline ” takes a special look at how the couple met, what drew them to each other and ...