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PARIS, FRANCE - JUNE 14: (L-R) Tania De Bourbon Parme, Jean-Christophe Molinier and Nicoletta attend Amnesty International 'Musique Contre L'Oubli' Gala Ceremony after Dinner at Maison Blanche on June14, 2017 in Paris, France. (Photo by Foc Kan/WireImage)

PARIS, FRANCE - JUNE 14:  (L-R) Tania De Bourbon Parme, Jean-Christophe Molinier and Nicoletta attend Amnesty International 'Musique Contre L'Oubli' Gala Ceremony after Dinner at Maison Blanche on June14, 2017 in Paris, France. (Photo by Foc Kan/WireImage)

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PARIS, FRANCE - JUNE 14: (R-L) Tania De Bourbon Parme and Louis Arnaud LÕHerbier attend Amnesty International 'Musique Contre L'Oubli' Gala Ceremony after Dinner at Maison Blanche on June14, 2017 in Paris, France. (Photo by Foc Kan/WireImage)

PARIS, FRANCE - JUNE 14:  (R-L) Tania De Bourbon Parme and Louis Arnaud LÕHerbier
attend Amnesty International 'Musique Contre L'Oubli' Gala Ceremony after Dinner at Maison Blanche on June14, 2017 in Paris, France. (Photo by Foc Kan/WireImage)

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PARIS, FRANCE - JANUARY 26: Tania de Bourbon de Parme (who did the preface of the book) poses with Jean Pascal Hesse during the book signing at Maxim's on January 26, 2017 in Paris, France. (Photo by Julien Hekimian/Getty Images)

PARIS, FRANCE - JANUARY 26: Tania de Bourbon de Parme (who did the preface of the book) poses with Jean Pascal Hesse during the book signing at Maxim's on January 26, 2017 in Paris, France.  (Photo by Julien Hekimian/Getty Images)

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PARIS, FRANCE - JANUARY 26: Tania de Bourbon de Parme (R-who did the preface of the book) poses with Helene de Yougoslavie (L) and Maria Pia de Savoie (C) during the book signing at Maxim's on January 26, 2017 in Paris, France. (Photo by Julien Hekimian/Getty Images)

PARIS, FRANCE - JANUARY 26:  Tania de Bourbon de Parme (R-who did the preface of the book) poses with Helene de Yougoslavie (L) and Maria Pia de Savoie (C) during the book signing at Maxim's on January 26, 2017 in Paris, France.  (Photo by Julien Hekimian/Getty Images)

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PARIS, FRANCE - JANUARY 26: Henry Jean Servat attends his book signing with Anne de Bourbon Sicile (R) and Tania de Bourbon de Parme (L) at Maxim's on January 26, 2017 in Paris, France. (Photo by Julien Hekimian/Getty Images)

PARIS, FRANCE - JANUARY 26:  Henry Jean Servat attends his book signing with Anne de Bourbon Sicile (R) and Tania de Bourbon de Parme (L) at Maxim's on January 26, 2017 in Paris, France.  (Photo by Julien Hekimian/Getty Images)