Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend ... the Princess chose a laid-back blue shirt ...

The latest on Kate Middleton (Catherine, Duchess of Cambridge). Born January 9, 1982, Middleton married Prince William, Duke of Cambridge, in 2011 in a ceremony watched by millions around the world.

Personal social media captions from Prince William and Kate Middleton are rare, which makes the use of them all the more ...