Britain's Prince Harry receives the Distinguished Humanitarian Leadership Award presented by former Secretary of State Colin Powell during the Atlantic Council 2012 Annual Awards Dinner at a hotel in Washington, DC, on May 7, 2012. | Getty

Britain's Prince Harry arrives for the Atlantic Council 2012 Annual Awards Dinner at a hotel in Washington on May 7, 2012. | Getty

Britain's Prince Harry greets wounded soldiers during a reception at the British Ambassador's Residence in Washington, Monday, May 7, 2012, to meet members of the British and American teams who are taking part in the Warrior Games. The Warrior Games is an event hosted every year by the US Olympic Committee. (AP Photo/Susan Walsh, Pool)

Britain's Prince Harry greets wounded soldiers during a reception at the British Ambassador's Residence in Washington, Monday, May 7, 2012, to meet members of the British and American teams who are taking part in the Warrior Games. The Warrior Games is an event hosted every year by the US Olympic Committee. (AP Photo/Susan Walsh, Pool)

Britain's Prince Harry greets wounded soldiers during a reception at the British Ambassador's Residence in Washington, Monday, May 7, 2012, to meet members of the British and American teams who are taking part in the Warrior Games. The Warrior Games is an event hosted every year by the US Olympic Committee. (AP Photo/Susan Walsh, Pool)

Britain's Prince Harry talks with Dr. Jill Biden, left, and British Ambassador Sir Peter Westmacott, second from right, and his wife Susie Nemazee, right, during a reception at the British Ambassador's Residence in Washington, Monday, May 7, 2012, to meet members of the British and American teams who are taking part in the Warrior Games. The Warrior Games is an event hosted every year by the US Olympic Committee. (AP Photo/Susan Walsh, Pool)

Britain's Prince Harry greets wounded soldiers during a reception at the British Ambassador's Residence in Washington, Monday, May 7, 2012, to meet members of the British and American teams who are taking part in the Warrior Games. The Warrior Games is an event hosted every year by the US Olympic Committee. (AP Photo/Susan Walsh, Pool)

Britain's Prince Harry greets wounded soldiers during a reception at the British Ambassador's Residence in Washington, Monday,May 7, 2012, to meet members of the British and American teams who are taking part in the Warrior Games. The Warrior Games is an event hosted every year by the US Olympic Committee. (AP Photo/Susan Walsh, Pool)

Britain's Prince Harry greets wounded soldiers during a reception at the British Ambassador's Residence in Washington, Monday, May 7, 2012, to meet members of the British and American teams who are taking part in the Warrior Games. The Warrior Games is an event hosted every year by the US Olympic Committee. (AP Photo/Susan Walsh, Pool)

Britain's Prince Harry greets wounded soldiers during a reception at the British Ambassador's Residence in Washington, Monday, May 7, 2012, to meet members of the British and American teams who are taking part in the Warrior Games. The Warrior Games is an event hosted every year by the US Olympic Committee. (AP Photo/Susan Walsh, Pool)

Britain's Prince Harry pretends to be tired as he helps plant an October Glory Maple tree during a reception for wounded soldiers at the British Ambassador's Residence in Washington, Monday, May 7, 2012. The wounded soldiers participated in the Warrior Games which is an event hosted every year by the U.S. Olympic Committee. (AP Photo/Susan Walsh, Pool)

Britain's Prince Harry helps plant an October Glory Maple tree during a reception for wounded soldiers at the British Ambassador's Residence in Washington, Monday, May 7, 2012. The wounded soldiers participated in the Warrior Games which is an event hosted every year by the US Olympic Committee. (AP Photo/Susan Walsh, Pool)

Britain's Prince Harry helps plant an October Glory Maple tree during a reception for wounded soldiers at the British Ambassador's Residence in Washington, Monday, May 7, 2012. The wounded soldiers participated in the Warrior Games which is an event hosted every year by the U.S. Olympic Committee. (AP Photo/Susan Walsh, Pool)

Britain's Prince Harry stands for a photo with Jill Biden, right, and wounded soldier Capt. Simon Maxwell of the Royal Marines, during a reception at the British Ambassador's Residence in Washington to meet members of the British and American teams who are taking part in the Warrior Games, Monday, May 7, 2012. The Warrior Games is an event hosted every year by the U.S. Olympic Committee. (AP Photo/Susan Walsh, Pool)

Britain's Prince Harry greets wounded soldiers during a reception at the British Ambassador's Residence in Washington to meet members of the British and American teams who are taking part in the Warrior Games, Monday, May 7, 2012. The Warrior Games is an event hosted every year by the U.S. Olympic Committee. (AP Photo/Susan Walsh, Pool)

Britain's Prince Harry listens to remarks during a reception with wounded soldiers at the British Ambassador's Residence in Washington to meet members of the British and American teams who are taking part in the Warrior Games, Monday, May 7, 2012. The Warrior Games is an event hosted every year by the U.S. Olympic Committee. (AP Photo/Susan Walsh, Pool)

Britain's Prince Harry helps plant an October Glory Maple tree during a reception for wounded soldiers at the British Ambassador's Residence in Washington, Monday, May 7, 2012. The wounded soldiers participated in the Warrior Games which is an event hosted every year by the U.S. Olympic Committee. (AP Photo/Susan Walsh, Pool)

Britain's Prince Harry arrives at the Atlantic Council Awards Dinner in Washington, Monday, May 7, 2012. (AP Photo/Charles Dharapak)

Britain's Prince Harry arrives at the Atlantic Council Awards Dinner in Washington, Monday, May 7, 2012. (AP Photo/Charles Dharapak)

Britain's Prince Harry arrives for the Atlantic Council 2012 Annual Awards Dinner at a hotel in Washington on May 7, 2012. AFP PHOTO/Jewel SamadJEWEL SAMAD/AFP/GettyImages

WASHINGTON, DC - MAY 07: Fredrick Kempe, President and CEO of Atlantic Council, greets Prince Harry of England at the Atlantic Council's Annual Awards Dinner Honoring HRH Prince Harry at Ritz Carlton Hotel on May 7, 2012 in Washington, DC. (Photo by Paul Morigi/Getty Images)

Britain's Prince Harry (L) receives the Distinguished Humanitarian Leadership Award presented by former Secretary of State Colin Powell during the Atlantic Council 2012 Annual Awards Dinner at a hotel in Washington, DC, on May 7, 2012. Prince Harry joined a black-tie dinner in Washington to accept a humanitarian prize for his work supporting charities that help injured British and US military personnel. Harry, 27, arrived at the Atlantic Council fund-raising dinner to a small bevy of young female admirers, who he neglected to acknowledge as he stepped inside the luxury Ritz Carleton hotel for the gala. AFP PHOTO/Jewel SamadJEWEL SAMAD/AFP/GettyImages

WASHINGTON, DC - MAY 07: Prince Harry of England speaks after receiving the Distinguished Humanitarian Leadership Award at the Atlantic Council's Annual Awards Dinner Honoring HRH Prince Harry at Ritz Carlton Hotel on May 7, 2012 in Washington, DC. (Photo by Paul Morigi/Getty Images)

WASHINGTON, DC - MAY 07: (L to R) Former Sen. Chuck Hegal (R-NE), former Secretary of State Colin Powell, and Fredrick Kempe, President and CEO, Atlantic Council, present Prince Harry of England the Distinguished Humanitarian Leadership Award by at the Atlantic Council's Annual Awards Dinner Honoring HRH Prince Harry at Ritz Carlton Hotel on May 7, 2012 in Washington, DC. (Photo by Paul Morigi/Getty Images)