| King Willem Alexander, Queen Maxima, Princess Beatrix and Prince Constantijn attend the King's Day concert (Koningsdagconcert) at Theaters Tilburg in Tilburg on April 3, 2017. The concert is being held in honour of Kings day, which is celebrated on April 27. Queen Maxima wore Giambattista Valli Appliquéd Floral Print Silk Gown |
