PORTO, PORTUGAL - MARCH 23: Queen Letizia of Spain arrives at 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 arrives at 7th European Conference "Tobacco or Health" in Porto on March 23, 2017 in Porto, Portugal. (Photo by Octavio Passos/Getty Images)