ROME, ITALY - JUNE 21: President Sergio Mattarella, Queen Maxima of The Netherlands and King Willem-Alexander of The Netherlands attend a concert performed by Dutch violinist Janine Jansen to at the Palazzo Colonna during the second day of a royal state visit to Italy on June 21, 2017 in Rome, Italy. (Photo by Patrick van Katwijk/Getty Images)
ROME, ITALY - JUNE 21: Queen Maxima of The Netherlands and King Willem-Alexander of The Netherlands attend a concert for President Sergio Mattarella performed by Dutch violinist Janine Jansen at the Palazzo Colonna during the second day of a royal state visit to Italy on June 21, 2017 in Rome, Italy. (Photo by Patrick van Katwijk/Getty Images)
ROME, ITALY - JUNE 21: King Willem-Alexander of The Netherlands and Queen Maxima of The Netherlands attend a concert for President Sergio Mattarella performed by Dutch violinist Janine Jansen at the Palazzo Colonna during the second day of a royal state visit to Italy on June 21, 2017 in Rome, Italy. (Photo by Patrick van Katwijk/Getty Images)
ROME, ITALY - JUNE 21: Queen Maxima of The Netherlands attends a concert for President Sergio Mattarella performed by Dutch violinist Janine Jansen at the Palazzo Colonna during the second day of a royal state visit to Italy on June 21, 2017 in Rome, Italy. (Photo by Patrick van Katwijk/Getty Images)
ROME, ITALY - JUNE 21: King Willem-Alexander of The Netherlands and Queen Maxima of The Netherlands attend a concert for President Sergio Mattarella performed by Dutch violinist Janine Jansen at the Palazzo Colonna during the second day of a royal state visit to Italy on June 21, 2017 in Rome, Italy. (Photo by Patrick van Katwijk/Getty Images)
