MADRID, SPAIN - MARCH 10: King Felipe VI of Spain (L) and Queen Letizia of Spain arrive to the "In Memoriam" concert at the National Auditorium on March 10, 2016 in Madrid, Spain. (Photo by Fotonoticias/WireImage)
MADRID, SPAIN - MARCH 10: King Felipe VI of Spain (L) and Queen Letizia of Spain arrive to the "In Memoriam" concert at the National Auditorium on March 10, 2016 in Madrid, Spain. (Photo by Fotonoticias/WireImage)