William and Kate visit the U.S.
Britain's Prince William, second from right, talks with rapper and entrepreneur Jay-Z , far right, as Kate, left, the Duchess of Cambridge, chats with Jay Z's wife, entertainer Beyonce, foreground center, during an NBA basketball game between the Cleveland Cavaliers and the Brooklyn Nets at the Barclays Center in Brooklyn, New York, Monday, Dec. 8, 2014.
The royals visit the U.S.
Entertainer Beyonce, left, meets Britain's Prince William, not seen, as Kate, left, the Duchess of Cambridge, chats with Jay Z during an NBA basketball game between the Cleveland Cavaliers and the Brooklyn Nets at the Barclays Center in Brooklyn, New York, Monday, Dec. 8, 2014.
The royals visit the U.S.
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge pose with basketball player LeBron James, right, backstage as they attend the Cleveland Cavaliers vs. Brooklyn Nets game at Barclays Center in Brooklyn, NY, Dec. 8, 2014 in the Brooklyn borough of New York City.
The royals visit the U.S.
Dikembe Mutombo, left, and Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge share popcorn during the game between the Brooklyn Nets and the Cleveland Cavaliers at Barclays Center in Brooklyn, New York, Dec. 8, 2014.
The royals visit the U.S.
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge look on as Cleveland Cavaliers forward LeBron James (23) plays against the Brooklyn Nets at Barclays Center.
The royal couple are on an official three-day visit to New York and Washington, D.C.
The royals visit the U.S.
Prince William, Duke of Cambridge, right, and Catherine, Duchess of Cambridge arrive at Barclays Center for the game between the Brooklyn Nets and the Cleveland Cavaliers.
The royals visit the U.S.
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge watch the game between the Cleveland Cavaliers and the Brooklyn Nets at Barclays Center on December 8, 2014 in Brooklyn, New York.
The royals visit the U.S.
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge attend the Cleveland Cavaliers vs. Brooklyn Nets game at Barclays Center in Brooklyn, New York, Dec. 8, 2014.
The royals visit the U.S.
Kate, the Duchess Of Cambridge, left, smiles while she listens to Britain's Prince William, the Duke of Cambridge, as he talks to guests during a reception co-hosted by the Royal Foundation and the Clinton Foundation at the British Consul General's residence, Monday, December 08, 2014 in New York.
The royals visit the U.S.
Kate, the Duchess Of Cambridge, right, shakes hands with Hillary Rodham Clinton while attending a reception with Prince William, second from right, co-hosted by the Royal Foundation and the Clinton Foundation at British Consul General's Residence Monday, December 08, 2014 in New York.
The royals visit the U.S.
Catherine, Duchess of Cambridge visits Northside Center for Child Development in New York City during her official two-day visit to the United States, Dec. 8, 2014.
The royals visit the U.S.
Press photographers document a visit by Catherine, Duchess of Cambridge to the Northside Center for Child Development in New York City, Dec. 8, 2014.
The royals visit the U.S.
Catherine, Duchess of Cambridge helps to wrap Christmas presents during a visit to the Northside Center for Child Development in New York City.
The royals visit the U.S.
Kate, the Duchess Of Cambridge, arrives to attend a reception co-hosted by the Royal Foundation and the Clinton Foundation at British Consul General's residence, Monday, December 08, 2014 in New York.
Kate and Prince William arrived in New York City on Sunday, their first official visit to the U.S. since a 2011 trip to California and their first taste of the Big Apple.
The royals visit the U.S.
Britain's Catherine, Duchess of Cambridge chats with members of the British community from culture, arts, hospitality, and business before a luncheon at the residence of the British Consul General, Danny Lopez, right, in New York, Dec. 8, 2014. At left is Ambarish Mitra, CEO of Blipper.
Prince William and his wife Catherine are on their first visit to New York City, a whirlwind trip that includes visits to a Harlem child development center and the September 11 Monument and Museum.
The royals visit the U.S.
Britain's Prince William, Duke of Cambridge, center, arrives to participate in the International Corruption Hunters Alliance conference at World Bank headquarters in Washington Dec. 8, 2014.
The royals visit the U.S.
Kate, the Duchess of Cambridge, sits next to four-year-olds April, left, and Sammy in a pre-school class at the Northside Center for Childhood Development in New York City, Monday, Dec. 8, 2014.
Kate and Prince William arrived in New York City on Sunday, their first official visit to the U.S. since a 2011 trip to California and their first taste of the Big Apple.
The royals visit the U.S.
Catherine, Duchess of Cambridge greets guests at Northside Center for Child Development in New York City, during her official two-day visit to the United States, Dec. 8, 2014.
The royals visit the U.S.
Catherine, Duchess of Cambridge, right, and New York City Mayor Bill de Blasio's wife, Chirlane McCray, left, greet guests at Northside Center for Child Development in new York City, Dec. 8, 2014.
The royals visit the U.S.
Catherine, Duchess of Cambridge greets guests at Northside Center for Child Development in new York City during her official two-day visit to the United States on Dec. 8, 2014.
The royals visit the U.S.
Catherine, Duchess of Cambridge greets guests at Northside Center for Child Development in New York City, during her official two-day visit to the United States on Dec. 8, 2014.
The royals visit the U.S.
New York City first lady Chirlane McCray, left, and Britain's Kate, Duchess of Cambridge, exchange greetings outside the Northside Center for Child Development in New York City, Monday, Dec. 8, 2014.
The royals visit the U.S.
Catherine, Duchess of Cambridge, right, is greeted by Chirlane McCray, the wife of the current New York mayor, as she arrives at Northside Center for Child Development in New York City, Dec. 8, 2014.
The royals visit the U.S.
Britain's Kate, Duchess of Cambridge, arrives at the Northside Center for Child Development in New York City, Monday, Dec. 8, 2014.
The royals visit the U.S.
Kristi Solberg of Madison, Wisconsin, yells out greetings as Kate, Duchess of Cambridge, prepares to depart an event in the Harlem neighborhood of New York Monday, Dec. 8, 2014.
Solberg said she used vacation time to drive to New York and has followed royal family activities for the past 30 years.
The royals visit the U.S.
Kate, Duchess of Cambridge, arrives at an event in the Harlem neighborhood of New York, Dec. 8, 2014.
The royals visit the U.S.
U.S. President Barack Obama, right, meets with Prince William, Duke of Cambridge, in the Oval Office of the White House, Dec. 8, 2014. Prince William and his wife Catherine, Duchess of Cambridge, are on a two-day official visit in the United States.
The royals visit the U.S.
President Barack Obama meets with Britain's Prince William, Duke of Cambridge, in the Oval Office at the White House in Washington, D.C. on December 8, 2014.
The royals visit the U.S.
Prince William, Duke of Cambridge, attends the third Biennial Meeting of the International Corruption Hunters Alliance (ICHA) at the World Bank Headquarters in Washington, D.C., Dec. 8, 2014.
The group brings together more than 300 corruption experts and agency heads from more than 120 countries in an effort to curb illicit financial flows, end transnational bribery, prevent corruption and wildlife crime.
The royals visit the U.S.
Prince William, The Duke of Cambridge, fourth from left, attends a luncheon after delivering a speech during an International Corruption Hunters Alliance event at the World Bank in Washington, D.C., Dec. 8, 2014.
After meeting with U.S. President Barack Obama earlier in the day, the Prince William addressed the conference, calling the trade in elephants tusks, rhino horns and other animal parts as "one of the most insidious forms of corruption and criminality in the world today."
The royals visit the U.S.
Prince William, Duke of Cambridge, arrives to speak during the third Biennial Meeting of the International Corruption Hunters Alliance (ICHA) at the World Bank Headquarters in Washington, D.C., Dec. 8, 2014.
The royals visit the U.S.
Prince William, Duke of Cambridge, and World Bank President Jim Yong Kim, left, attend the third Biennial Meeting of the International Corruption Hunters Alliance (ICHA) at the World Bank Headquarters in Washington, D.C., Dec. 8, 2014.
The royals visit the U.S.
Prince William, Duke of Cambridge, speaks during the third Biennial Meeting of the International Corruption Hunters Alliance (ICHA) at the World Bank Headquarters in Washington, D.C., Dec. 8, 2014.
The royals visit the U.S.
Britain's Prince William, Duke of Cambridge, delivers remarks to the International Corruption Hunters Alliance conference at World Bank headquarters in Washington, D.C., Dec. 8, 2014.
The royals visit the U.S.
World Bank Group President Jim Yong Kim, left, walks with Britain's Prince William, Duke of Cambridge, as he arrives to participate in the International Corruption Hunters Alliance conference at World Bank headquarters in Washington, D.C., Dec. 8, 2014.
The royals visit the U.S.
Lauren Nichols of Chardon, Ohio, huddles in the cold while she awaits Britain's Prince William, the Duke of Cambridge, and Kate, Duchess of Cambridge, at an event in New York City, Monday, Dec. 8, 2014.
The royals visit the U.S.
An exterior shot of the Carlyle Hotel where the Duke and Duchess of Cambridge, Prince William and his wife, the former Kate Middleton, now known as Catherine, will stay during their visit in New York, Dec. 7, 2014.
The Duke and Duchess are both making their first visit to the New York City and will stay until Tuesday Night.
The royals visit the U.S.
Prince William, Duke of Cambridge, right, and Catherine, Duchess of Cambridge arrive at The Carlyle Hotel in New York City, where they will be staying during their official two-day visit to the United States, Dec. 7, 2014.
The royals visit the U.S.
Catherine, Duchess of Cambridge, left, and Prince William, Duke of Cambridge, arrive at their hotel in New York, Dec. 7, 2014.
The royals visit the U.S.
Catherine, Duchess of Cambridge, arrive at their hotel, Dec. 7, 2014.
The royals visit the U.S.
Prince William, Duke of Cambridge, arrives at his hotel in new York City, Dec. 7, 2014.
The royals visit the U.S.
The Duke and Duchess of Cambridge, Prince William and his wife, the former Kate Middleton, now known as Catherine, arrive at the Carlyle Hotel in New York, Dec. 7, 2014.
The Duke and Duchess are both making their first visit to the New York City and will stay until Tuesday Night.
The royals visit the U.S.
A New York resident holds a cut-out of the Duke and Duchess of Cambridge, Prince William and his wife, the former Kate Middleton, now known as Catherine, outside the Carlyle Hotel in New York, Dec. 7, 2014.
The royals visit the U.S.
New York resident Pearl Parnes, center, awaits the arrival of the Duke and Duchess of Cambridge, Prince William and his wife, the former Kate Middleton, now known as Catherine, at the Carlyle Hotel in New York, Dec. 7, 2014.