The Duchess Of Cambridge And First Lady Of New York City Visit Northside Center For Child Development [Getty Images]

NEW YORK, NY - DECEMBER 08: Catherine, Duchess of Cambridge during a visit to the Northside Center for Child Development on December 8, 2014 in New York City. The royal couple are on an official three-day visit to New York with Prince William also due to meet President Barack Obama in Washington D.C today. (Photo by Mark Stewart - Pool/Getty Images)

Getty Images Entertainment Pool