Camille Gottlieb, Pauline Ducruet, Louis Ducruet and his wife Marie Chevallier, Alexandra of Hanover and guests attend celebrations marking Monaco's National Day at the Palace in Monaco, November 19, 2022. REUTERS/Eric Gaillard/Pool 

Princess Stephanie of Monaco, Louis Ducruet and Pauline Ducruet stand on the Palace balcony during the celebrations marking Monaco's National Day in Monaco, November 19, 2022. REUTERS/Eric Gaillard 

Camille Gottlieb, Pauline Ducruet, Louis Ducruet and his wife Marie Chevallier, Alexandra of Hanover, Pierre Casiraghi and his wife Beatrice Borromeo, their children Stefano Casiraghi and Francesco Casiraghi, Charlotte Casiraghi and her husband Dimitri Rassam, Raphael Elmaleh and Balthazar Rassam, Andrea Casiraghi and his wife Tatiana Santo Domingo, their children Alexandre Casiraghi, India Casiraghi and Maximilian Casiraghi, and guests attend celebrations marking Monaco's National Day at the Palace in Monaco, November 19, 2022. REUTERS/Eric Gaillard/Pool 

Louis Ducruet, Alexandra of Hanover, Pauline Ducruet and guests arrive to attend celebrations marking Monaco's National Day at the Palace in Monaco, November 19, 2022. REUTERS/Eric Gaillard/Pool 

Pauline Ducruet, Camille Gottlieb, Princess Stephanie of Monaco, Louis Ducruet and his wife Marie Chevalier stand on the palace balcony during the celebrations marking Monaco's National Day in Monaco, November 19, 2021. REUTERS/Eric Gaillard 

Pauline Ducruet, Princess Stephanie of Monaco, Louis Ducruet and his wife Marie Chevalier stand on the palace balcony during the celebrations marking Monaco's National Day in Monaco, November 19, 2021. REUTERS/Eric Gaillard 

Andrea Casiraghi, his wife Tatiana Santo Domingo, Charlotte Casiraghi, Pierre Casiraghi and Beatrice Borromeo, Alexandra of Hanover, Louis Ducruet, Pauline Ducruet and guests attend celebrations marking Monaco's National Day at the Palace in Monaco, November 19, 2021. REUTERS/Eric Gaillard/Pool 

Pauline Ducruet, Princess Stephanie of Monaco and Louis Ducruet stand on the palace balcony during the celebrations marking Monaco's National Day in Monaco, November 19, 2021. REUTERS/Eric Gaillard 

Pauline Ducruet poses on the red carpet ahead of the 2020 Monte-Carlo Gala for Planetary Health in Monaco September 24, 2020. REUTERS/Eric Gaillard/Pool 

Pauline Ducruet poses on the red carpet ahead of the 2020 Monte-Carlo Gala for Planetary Health in Monaco September 24, 2020. REUTERS/Eric Gaillard/Pool 

Pauline Ducruet, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard 

Princess Stephanie of Monaco, Andrea Casiraghi, his wife Tatiana Santo Domingo and Pierre Casiraghi, Louis Ducruet and his wife Marie, Pauline Ducruet and Camille Gottlieb, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard 

Pauline Ducruet and Pierre Casiraghi, wearing protective face masks, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard 

Pauline Ducruet, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard 

Pauline Ducruet, wearing a protective face mask, attends the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard 

Pauline Ducruet and Camille Gottlieb, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard 

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, pose with Louis Ducruet and his wife Marie, Camille Gottlieb, Pauline Ducruet and Princess Stephanie of Monaco Andrea Casiraghi and his wife Tatiana Santo Domingo, Pierre Casiraghi, Monaco State Minister Serge Telle and Jean Luc Biamonti, Delegate President of Societe des Bains de Mer (SBM), during the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard 

Prince Albert II of Monaco and his wife Princess Charlene, wearing protective face masks, pose with Louis Ducruet and his wife Marie, Camille Gottlieb, Pauline Ducruet and Princess Stephanie of Monaco Andrea Casiraghi and his wife Tatiana Santo Domingo, Pierre Casiraghi, Monaco State Minister Serge Telle during the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard 

Princess Stephanie of Monaco and her daughter Pauline Ducruet arrive to attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard 

Princess Stephanie of Monaco, her daughters Camille Gottlieb and Pauline Ducruet arrive to attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard 

Princess Stephanie of Monaco and her daughter Pauline Ducruet arrive to attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard 

Princess Stephanie of Monaco and her daughter Pauline Ducruet arrive to attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard 

Louis Ducruet adjusts the face mask of his mother Princess Stephanie of Monaco as Pauline Ducruet looks on during the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard 

Louis Ducruet and his wife Marie, Camille Gottlieb, Pauline Ducruet and Princess Stephanie of Monaco, wearing protective face masks, attend the inauguration of the new Casino square in Monte Carlo, following the coronavirus disease (COVID-19) outbreak in Monaco June 2, 2020. REUTERS/Eric Gaillard 

Prince Albert II of Monaco, Princess Stephanie, Pauline and Louis Ducruet and Camille Gottliebt pose with the liberty horses of the national Knie circus troupe after they received a Golden Clown during the gala of the 44th Monte-Carlo International Circus Festival in Monaco, January 22, 2020. REUTERS/Eric Gaillard/Pool 

Pauline and Louis Ducruet attend the gala of the 44th Monte-Carlo International Circus Festival in Monaco, January 22, 2020. REUTERS/Eric Gaillard/Pool 

Princess Stephanie, Pauline Ducruet and Prince Albert II of Monaco attend the gala of the 44th Monte-Carlo International Circus Festival in Monaco, January 21, 2020. Picture taken January 21, 2020. REUTERS/Eric Gaillard/Pool 

Pauline Ducruet attends the gala of the 44th Monte-Carlo International Circus Festival in Monaco, January 22, 2020. REUTERS/Eric Gaillard/Pool 

Princess Stephanie, Pauline, Louis Ducruet and Prince Albert II of Monaco attend the gala of the 44th Monte-Carlo International Circus Festival in Monaco, January 21, 2020. Picture taken January 21, 2020. REUTERS/Eric Gaillard/Pool 

Princess Stephanie, Pauline, Louis Ducruet, Prince Albert II of Monaco and Camille Gottlieb attend the gala of the 44th Monte-Carlo International Circus Festival in Monaco, January 21, 2020. Picture taken January 21, 2020. REUTERS/Eric Gaillard/Pool 

Princess Stephanie, Pauline, Louis Ducruet and Prince Albert II of Monaco attend the gala of the 44th Monte-Carlo International Circus Festival in Monaco, January 21, 2020. Picture taken January 21, 2020. REUTERS/Eric Gaillard/Pool 

Prince Albert II of Monaco stands with his sister Princess Stephanie, her daughter Pauline Ducruet and her son Louis Ducruet during the 44th Monte-Carlo International Circus Festival in Monaco January 16, 2020. Picture taken January 16, 2020. Daniel Cole/Pool via REUTERS 

Princess Stephanie of Monaco, her daughter Pauline Ducruet and Prince Albert II of Monaco attend the 44th Monte-Carlo International Circus Festival in Monaco January 16, 2020. Picture taken January 16, 2020. Daniel Cole/Pool via REUTERS 

Pauline Ducruet, Princess Stephanie of Monaco, Louis Ducruet, and Prince Albert II of Monaco arrive at the opening of the 44th Monte-Carlo International Circus Festival in Monaco, January 16, 2020. Picture taken January 16, 2020. Daniel Cole/Pool via REUTERS 

72nd Cannes Film Festival - The amfAR's Cinema Against AIDS 2019 event - Antibes, France, May 23, 2019. Pauline Ducruet poses. REUTERS/Eric Gaillard 

72nd Cannes Film Festival - The amfAR's Cinema Against AIDS 2019 event - Antibes, France, May 23, 2019. Pauline Ducruet poses. REUTERS/Eric Gaillard 

Members of Troupe Filinov from Russia pose for a photo with Pauline Ducruet (4th R), daughter of Princess Stephanie of Monaco, during the gala of the 43rd Monte-Carlo International Circus Festival in Monaco, January 22, 2019. Picture taken January 22, 2019 Yann Coatsaliou/Pool via REUTERS 

Prince Albert II of Monaco (C), his sister Princess Stephanie (2nd L), her daughter Pauline Ducruet (L) and her son Louis Ducruet (2nd R) attend the gala of the 43th Monte-Carlo International Circus Festival in Monaco, January 22, 2019. Picture taken January 22, 2019 Yann Coatsaliou/Pool via REUTERS 

Prince Albert II of Monaco (C), his sister Princess Stephanie (2nd L), her daughter Pauline Ducruet (L) and her son Louis Ducruet (R) attend the gala of the 43th Monte-Carlo International Circus Festival in Monaco, January 22, 2019. Picture taken January 22, 2019 Yann Coatsaliou/Pool via REUTERS 

Prince Albert II of Monaco (R), his sister Princess Stephanie of Monaco (C), her daughter Pauline Ducruet (2nd R), her son Louis Ducruet (2nd L) and his fiancee Marie Chevallier (L), arrive to attend the gala of the 43th Monte-Carlo International Circus Festival in Monaco, on January 22, 2019. Picture taken january 22, 2019 Yann Coatsaliou/Pool via REUTERS 

Prince Albert II of Monaco (R), his sister Princess Stephanie of Monaco (C), her daughter Pauline Ducruet (2nd R), her son Louis Ducruet (2nd L) and his fiancee Marie Chevallier (L), pose for a photo prior the gala of the 43th Monte-Carlo International Circus Festival in Monaco, on January 22, 2019. Picture taken january 22, 2019 Yann Coatsaliou/Pool via REUTERS 

Prince Albert II of Monaco (R), his sister Princess Stephanie of Monaco (C), her daughter Pauline Ducruet (2nd R), her son Louis Ducruet (2nd L) and his fiancee Marie Chevallier (L), pose for a photo prior the gala of the 43th Monte-Carlo International Circus Festival in Monaco, on January 22, 2019. Picture taken january 22, 2019 Yann Coatsaliou/Pool via REUTERS 

Andrea Casiraghi, Pierre Casiraghi, Princess Alexandra of Hanover, Louis Ducruet and Pauline Ducruet attend a mass at the cathedral to attend a mass as part of the celebrations marking Monaco's National Day in Monaco, November 19, 2018. Valery Hache/Pool via REUTERS 

Princess Stephanie of Monaco, Louis Ducruet and Pauline Ducruet stand on the palace balcony during the celebrations marking Monaco's National Day in Monaco, November 19, 2018. REUTERS/Eric Gaillard 

Princess Stephanie of Monaco, Louis Ducruet and Pauline Ducruet stand on the palace balcony during the celebrations marking Monaco's National Day in Monaco, November 19, 2018. REUTERS/Eric Gaillard 

Andrea Casiraghi, his wife Tatiana, Pierre Casiraghi and his wife Beatrice, Princess Alexandra of Hanover, Pauline Ducruet and Louis Ducruet attend the celebrations marking Monaco's National Day at the Monaco Palace in Monaco, November 19, 2018. REUTERS/Eric Gaillard/Pool 

Pauline Ducruet, the daughter of Princess Stephanie of Monaco poses at the eighth annual amfAR Gala Sao Paulo in Sao Paulo, Brazil April 13, 2018. REUTERS/Paulo Whitaker 

Michael Ferreri poses with Pauline Ducruet (R), daughter of Princess Stephanie of Monaco, after receiving a "Bronze Clown" during the Award Gala evening of the 42th Monte-Carlo International Circus Festival in Monaco, January 23, 2018. Picture taken January 23, 2018. REUTERS/Claude Paris/Pool 

The artists of Vavilov Troupe pose with Pauline Ducruet (3rdR), daughter of Princess Stephanie of Monaco, after receiving a "Bronze Clown" during the Award Gala evening of the 42th Monte-Carlo International Circus Festival in Monaco, January 23, 2018. Picture taken January 23, 2018. REUTERS/Claude Paris/Pool 

Prince Albert II of Monaco (C), Princess Stephanie of Monaco, her daughter Pauline Ducruet, her son Louis Ducruet and his girlfriend Marie, arrive at the closing ceremony of the 42th Monte-Carlo International Circus Festival in Monaco, January 23, 2018. Picture taken January 23, 2018. REUTERS/Claude Paris/Pool 

Prince Albert II of Monaco (R), Princess Stephanie of Monaco (C), and Pauline Ducruet (L) attend the closing ceremony of the 42th Monte-Carlo International Circus Festival in Monaco, January 23, 2018. Picture taken January 23, 2018. REUTERS/Claude Paris/Pool 

Prince Albert II of Monaco (R), Princess Stephanie of Monaco (C), and Pauline Ducruet (L) attend the closing ceremony of the 42th Monte-Carlo International Circus Festival in Monaco, January 23, 2018. Picture taken January 23, 2018. REUTERS/Claude Paris/Pool 

Prince Albert II of Monaco (2ndR), Princess Stephanie of Monaco (2ndL), Pauline Ducruet (L) and Louis Ducruet (R) attend the closing ceremony of the 42th Monte-Carlo International Circus Festival in Monaco, January 23, 2018. Picture taken January 23, 2018. REUTERS/Claude Paris/Pool 

Prince Albert II of Monaco (2ndR), Princess Stephanie of Monaco (2ndL), Pauline Ducruet (L) and Louis Ducruet (R) attend the closing ceremony of the 42th Monte-Carlo International Circus Festival in Monaco, January 23, 2018. Picture taken January 23, 2018. REUTERS/Claude Paris/Pool 

Prince Albert II of Monaco (2ndR), Princess Stephanie of Monaco (2ndL), Pauline Ducruet (L) and Louis Ducruet (R) attend the closing ceremony of the 42th Monte-Carlo International Circus Festival in Monaco, January 23, 2018. Picture taken January 23, 2018. REUTERS/Claude Paris/Pool 

Prince Albert II of Monaco (C), Princess Stephanie of Monaco (2ndR), Pauline Ducruet (R), Louis Ducruet (2ndL) and Marie (L) unveil a plaque for 250 years of circus tribute to Philip Astley creator of modern circus before the opening ceremony of the 42th Monte-Carlo International Circus Festival in Monaco, January 18, 2018. Picture taken January 18, 2018. REUTERS/Sebastien Nogier/Pool 

Prince Albert II of Monaco (2ndR), Princess Stephanie of Monaco (2ndL), Pauline Ducruet (L), and Louis Ducruet (R) attend the opening ceremony of the 42th Monte-Carlo International Circus Festival in Monaco, January 18, 2018. Picture taken January 18, 2018. REUTERS/Sebastien Nogier/Pool 

Prince Albert II of Monaco (C), Princess Stephanie of Monaco (2ndL), Pauline Ducruet (L), Louis Ducruet (2ndR) and his girlfriend Marie (R) arrive at the opening ceremony of the 42th Monte-Carlo International Circus Festival in Monaco, January 18, 2018. Picture taken January 18, 2018. REUTERS/Sebastien Nogier/Pool 

Prince Albert II of Monaco (C), Princess Stephanie of Monaco (2ndL), Pauline Ducruet (L), Louis Ducruet (2ndR) and his girlfriend Marie (R) attend the opening ceremony of the 42th Monte-Carlo International Circus Festival in Monaco, January 18, 2018. Picture taken January 18, 2018. REUTERS/Sebastien Nogier/Pool 

Prince Albert II of Monaco (C), Princess Stephanie of Monaco (2ndL), Pauline Ducruet (L), Louis Ducruet (2ndR) and his girlfriend Marie (R) arrive at the opening ceremony of the 42th Monte-Carlo International Circus Festival in Monaco, January 18, 2018. Picture taken January 18, 2018. REUTERS/Sebastien Nogier/Pool