PORTO, PORTUGAL - MARCH 23: Queen Letizia of Spain attends European Conference 'Tabajo O Salud' against Cancer at Sheraton Porto Hotel on March 23, 2017 in Porto, Portugal. (Photo by Octavio Passos/WireImage)
PORTO, PORTUGAL - MARCH 23: Queen Letizia of Spain attends European Conference 'Tabajo O Salud' against Cancer at Sheraton Porto Hotel on March 23, 2017 in Porto, Portugal. (Photo by Octavio Passos/WireImage)
PORTO, PORTUGAL - MARCH 23: Queen Letizia of Spain during the 7th European Conference "Tobacco or Health" in Porto on March 23, 2017 in Porto, Portugal. (Photo by Octavio Passos/Getty Images)
PORTO, PORTUGAL - MARCH 23: Queen Letizia of Spain and Marcelo Rebelo de Sousa attend European Conference 'Tabajo O Salud' against Cancer at Sheraton Porto Hotel on March 23, 2017 in Porto, Portugal. (Photo by Europa Press/Europa Press via Getty Images)
PORTO, PORTUGAL - MARCH 23: Queen Letizia of Spain attends European Conference 'Tabajo O Salud' against Cancer at Sheraton Porto Hotel on March 23, 2017 in Porto, Portugal. (Photo by Europa Press/Europa Press via Getty Images)
