Danish Queen Margrethe (front) inspects the exhibition 'Her Majesty the Queen 75 years - a costume cavalcade' with Museum Director Mette Skougaard (back) at the Museum of National History at Frederiksborg Castle in Hilleroed, north of Copenhagen on March 25, 2015. The special exhibition is a costume cavalcade of the queen's life.   AFP PHOTO / SCANPIX DENMARK / LISELOTTE SABROE +++ DENMARK OUT        (Photo credit should read LISELOTTE SABROE/AFP/Getty Images)