see more

Dutch Queen Maxima (C) poses along with members of the Single SuperMom association in Amsterdam on March 8, 2017 on the International Women's Day. / AFP PHOTO / ANP / Evert Elzinga / Netherlands OUT (Photo credit should read EVERT ELZINGA/AFP/Getty Images)

Dutch Queen Maxima (C) poses along with members of the Single SuperMom association in Amsterdam on March 8, 2017 on the International Women's Day.  / AFP PHOTO / ANP / Evert Elzinga / Netherlands OUT        (Photo credit should read EVERT ELZINGA/AFP/Getty Images)

see more

Dutch Queen Maxima (C) waves as she leaves a meeting organised by the Single SuperMom group in Amsterdam on March 8, 2017 on the International Women's Day. / AFP PHOTO / ANP / Evert Elzinga / Netherlands OUT (Photo credit should read EVERT ELZINGA/AFP via Getty Images)

Dutch Queen Maxima (C) waves as she leaves a meeting organised by the Single SuperMom group in Amsterdam on March 8, 2017 on the International Women's Day.  / AFP PHOTO / ANP / Evert Elzinga / Netherlands OUT        (Photo credit should read EVERT ELZINGA/AFP via Getty Images)

see more

AMSTERDAM, NETHERLANDS - MARCH 8 : Queen Maxima of The Netherlands attends a meeting at Foundation Single Supermom on International Women's Day on March 8, 2017 in Amsterdam, Netherlands. The Single Supermom Foundation provides national and international support to young single mothers and their children. (Photo by Patrick van Katwijk/Getty Images)

AMSTERDAM, NETHERLANDS - MARCH 8 : Queen Maxima of The Netherlands attends a meeting at Foundation Single Supermom on International Women's Day on March 8, 2017 in Amsterdam, Netherlands. The Single Supermom Foundation provides national and international support to young single mothers and their children. (Photo by Patrick van Katwijk/Getty Images)

see more

AMSTERDAM, NETHERLANDS - MARCH 8 : Queen Maxima of The Netherlands attends a meeting at Foundation Single Supermom on International Women's Day on March 8, 2017 in Amsterdam, Netherlands. The Single Supermom Foundation provides national and international support to young single mothers and their children. (Photo by Patrick van Katwijk/Getty Images)

AMSTERDAM, NETHERLANDS - MARCH 8 : Queen Maxima of The Netherlands attends a meeting at Foundation Single Supermom on International Women's Day on March 8, 2017 in Amsterdam, Netherlands. The Single Supermom Foundation provides national and international support to young single mothers and their children. (Photo by Patrick van Katwijk/Getty Images)

see more

AMSTERDAM, NETHERLANDS - MARCH 8: Queen Maxima of The Netherlands attends a meeting at Foundation Single Supermom on International Women's Day on March 8, 2017 in Amsterdam, Netherlands. The Single SuperMom Foundation provides national and international support to young single mothers and their children. (Photo by Patrick van Katwijk/Getty Images)

AMSTERDAM, NETHERLANDS - MARCH 8: Queen Maxima of The Netherlands attends a meeting at Foundation Single Supermom on International Women's Day on March 8, 2017 in Amsterdam, Netherlands. The Single SuperMom Foundation provides national and international support to young single mothers and their children. (Photo by Patrick van Katwijk/Getty Images)