Princess MÃ xima of the Netherlands ( born as MÃ xima Zorreguieta ; 17 May 1971 ) is the wife of Willem-Alexander , Prince of Orange , the future king of the Netherlands . Princess MÃ xima of the Netherlands ( nÃ e MÃ xima Zorreguieta ; born 17 May 1971 ) is the wife of Willem-Alexander , Prince of Orange , heir apparent to the throne of the Netherlands .