LONDON, UNITED KINGDOM - APRIL 24: Catherine, Duchess of Cambridge attends an evening reception to celebrate the work of The Art Room charity at The National Portrait Gallery on April 24, 2013 in London, England. (Photo by Samir Hussein/WireImage)
LONDON, UNITED KINGDOM - APRIL 24: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge, in her role as Patron of The Art Room, attends an evening reception to celebrate the work of the charity at the National Portrait Gallery on April 24, 2013 in London, England. (Photo by Max Mumby/Indigo-Pool/Getty Images)
LONDON, UNITED KINGDOM - APRIL 24: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge, in her role as Patron of The Art Room, attends an evening reception to celebrate the work of the charity at the National Portrait Gallery on April 24, 2013 in London, England. (Photo by Max Mumby/Indigo-Pool/Getty Images)
LONDON, UNITED KINGDOM - APRIL 24: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge, in her role as Patron of The Art Room, attends an evening reception to celebrate the work of the charity at the National Portrait Gallery on April 24, 2013 in London, England. (Photo by Max Mumby/Indigo-Pool/Getty Images)
LONDON, ENGLAND - APRIL 24: Catherine, Duchess of Cambridge attends an evening reception to celebrate the work of The Art Room charity at The National Portrait Gallery on April 24, 2013 in London, England. (Photo by Tim P. Whitby - WPA Pool/Getty Images)
