MADRID, SPAIN - NOVEMBER 20: Queen Letizia (R) and Queen Rania attend Molecular Biology Center 'Severo Ochoa' at Autonoma University on November 20, 2015 in Madrid, Spain. (Photo by Europa Press/Europa Press via Getty Images)
MADRID, SPAIN - NOVEMBER 20: Queen Letizia (R) and Queen Rania attend Molecular Biology Center 'Severo Ochoa' at Autonoma University on November 20, 2015 in Madrid, Spain. (Photo by Europa Press/Europa Press via Getty Images)