FILE - This July 23, 2013 file photo shows Britain's Prince William and Kate, Duchess of Cambridge holding the Prince of Cambridge, as they pose for photographers outside St. Mary's Hospital exclusive Lindo Wing in London where the Duchess gave birth. Much has been said about the fashion sense of the Duchess of Cambridge but in 2013 it was something a bit different that caught our eye. Peeking out under her blue-and-white polka dot dress as she emerged from the hospital just after childbirth was a pronounced "mommy tummy," a perfectly normal development but something most celebrities keep under wraps, until their personal trainers have whipped them back into magazine-cover shape. (AP Photo/Lefteris Pitarakis, File)LONDON (AP) — Palace officers say Prince William and his spouse, Kate, will travel to New Zealand and Australia within the spring.