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NATIONAL HARBOR, MD - FEBRUARY 27: Princess Mary of Denmark arrives to the 2nd World Conference of Women's Shelters opening ceremony at Gaylord National Resort Hotel And Convention Center on February 27, 2012 in National Harbor, Maryland. (Photo by Kris Connor/Getty Images)

NATIONAL HARBOR, MD - FEBRUARY 27: Princess Mary of Denmark arrives to the 2nd World Conference of Women's Shelters opening ceremony at Gaylord National Resort Hotel And Convention Center on February 27, 2012 in National Harbor, Maryland. (Photo by Kris Connor/Getty Images)

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NATIONAL HARBOR, MD - FEBRUARY 27: Sue Else, President of The National Network to End Domestic Violence, greets Princess Mary of Denmark (R) at the 2nd World Conference of Women's Shelters opening ceremony at Gaylord National Resort Hotel And Convention Center on February 27, 2012 in National Harbor, Maryland. (Photo by Paul Morigi/WireImage)

NATIONAL HARBOR, MD - FEBRUARY 27:  Sue Else, President of The National Network to End Domestic Violence, greets Princess Mary of Denmark (R) at the 2nd World Conference of Women's Shelters opening ceremony at Gaylord National Resort Hotel And Convention Center on February 27, 2012 in National Harbor, Maryland.  (Photo by Paul Morigi/WireImage)

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NATIONAL HARBOR, MD - FEBRUARY 27: Princess Mary of Denmark arrives to the 2nd World Conference of Women's Shelters opening ceremony at Gaylord National Resort Hotel And Convention Center on February 27, 2012 in National Harbor, Maryland. (Photo by Kris Connor/Getty Images)

NATIONAL HARBOR, MD - FEBRUARY 27: Princess Mary of Denmark arrives to the 2nd World Conference of Women's Shelters opening ceremony at Gaylord National Resort Hotel And Convention Center on February 27, 2012 in National Harbor, Maryland. (Photo by Kris Connor/Getty Images)

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NATIONAL HARBOR, MD - FEBRUARY 27: Princess Mary of Denmark makes some remarks at the 2nd World Conference of Women's Shelters opening ceremony at Gaylord National Resort Hotel And Convention Center on February 27, 2012 in National Harbor, Maryland. (Photo by Paul Morigi/WireImage)

NATIONAL HARBOR, MD - FEBRUARY 27:  Princess Mary of Denmark makes some remarks at the 2nd World Conference of Women's Shelters opening ceremony at Gaylord National Resort Hotel And Convention Center on February 27, 2012 in National Harbor, Maryland.  (Photo by Paul Morigi/WireImage)

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NATIONAL HARBOR, MD - FEBRUARY 27: Princess Mary of Denmark makes some remarks at the 2nd World Conference of Women's Shelters opening ceremony at Gaylord National Resort Hotel And Convention Center on February 27, 2012 in National Harbor, Maryland. (Photo by Paul Morigi/WireImage)

NATIONAL HARBOR, MD - FEBRUARY 27:  Princess Mary of Denmark makes some remarks at the 2nd World Conference of Women's Shelters opening ceremony at Gaylord National Resort Hotel And Convention Center on February 27, 2012 in National Harbor, Maryland.  (Photo by Paul Morigi/WireImage)