MONTE-CARLO, MONACO - NOVEMBER 19: Princess Caroline of Hanover, Princess Charlene of Monaco, Princess Stephanie of Monaco and Prince Albert II of Monaco attend the celebrations marking Monaco's National Day at the Monaco Palace in Monaco, 19 November 2019. (Photo by SC Pool - Corbis/Corbis via Getty Images)
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MONTE-CARLO, MONACO - NOVEMBER 19: (L-R) Marie Chevallier, Louis Ducruet, Beatrice Borromeo, Pierre Casiraghi,Alexandra of Hanover, Tatiana Santo Domingo and Andrea Casiraghi arrive at the Monaco Cathedral during the Monaco National Day Celebrations on November 19, 2019 in Monte-Carlo, Monaco. (Photo by Pascal Le Segretain/Getty Images)
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MONTE-CARLO, MONACO - NOVEMBER 19: (L-R) Marie Chevallier, Louis Ducruet, Beatrice Borromeo, Pierre Casiraghi and Alexandra of Hanover arrive at the Monaco Cathedral during the Monaco National Day Celebrations on November 19, 2019 in Monte-Carlo, Monaco. (Photo by Pascal Le Segretain/Getty Images)
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Getty Images Entertainment Pascal Le Segretain

MONTE-CARLO, MONACO - NOVEMBER 19: Marie Chevallier and Louis Ducruet arrive at the Monaco Cathedral during the Monaco National Day Celebrations on November 19, 2019 in Monte-Carlo, Monaco. (Photo by Pascal Le Segretain/Getty Images)
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Getty Images Entertainment Pascal Le Segretain