LISBOA CDP, PORTUGAL - OCTOBER 09: Necklace of Queen Maxima of The Netherlands during her arrival at the military airport Figo Maduro on October 09, 2017 in Lisboa CDP, Portugal. (Photo by Patrick van Katwijk/Getty Images)
LISBOA CDP, PORTUGAL - OCTOBER 09: Necklace of Queen Maxima of The Netherlands during her arrival at the military airport Figo Maduro on October 09, 2017 in Lisboa CDP, Portugal. (Photo by Patrick van Katwijk/Getty Images)