SOUTHAMPTON, UNITED KINGDOM - JUNE 13: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge attends the naming ceremony for the new Princess Cruises ship 'Royal Princess' on June 13, 2013 in Southampton, England. The Duchess of Cambridge, as the ship's godmother, officially named the Royal Princess with a traditional blessing involving smashing a bottle of Champagne over the ship's hull in what is expected to her final solo engagement before the birth of her and Prince William's child. (Photo by Max Mumby/Indigo/Getty Images)