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Princess Caroline of Hanover kisses the winning horse during the podium ceremony of the Jumping International of Monaco horse jumping competition as part of the Global Champions Tour on June 24, 2017 in Monaco. / AFP PHOTO / VALERY HACHE (Photo credit should read VALERY HACHE/AFP/Getty Images)

Princess Caroline of Hanover kisses the winning horse during the podium ceremony of the Jumping International of Monaco horse jumping competition as part of the Global Champions Tour on June 24, 2017 in Monaco.  / AFP PHOTO / VALERY HACHE        (Photo credit should read VALERY HACHE/AFP/Getty Images)

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Charlotte Casiraghi (C) and Princess Caroline of Hanover (L) attend a ceremony during the 2017 edition of the Jumping International of Monaco horse jumping competition as part of the Global Champions Tour on June 24, 2017 in Monaco. / AFP PHOTO / VALERY HACHE (Photo credit should read VALERY HACHE/AFP/Getty Images)

Charlotte Casiraghi (C) and Princess Caroline of Hanover (L) attend a ceremony during the 2017 edition of the Jumping International of Monaco horse jumping competition as part of the Global Champions Tour on June 24, 2017 in Monaco.  / AFP PHOTO / VALERY HACHE        (Photo credit should read VALERY HACHE/AFP/Getty Images)

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Charlotte Casiraghi (C) and Princess Caroline of Hanover (L) attend a ceremony during the 2017 edition of the Jumping International of Monaco horse jumping competition as part of the Global Champions Tour on June 24, 2017 in Monaco. / AFP PHOTO / VALERY HACHE (Photo credit should read VALERY HACHE/AFP/Getty Images)

Charlotte Casiraghi (C) and Princess Caroline of Hanover (L) attend a ceremony during the 2017 edition of the Jumping International of Monaco horse jumping competition as part of the Global Champions Tour on June 24, 2017 in Monaco.  / AFP PHOTO / VALERY HACHE        (Photo credit should read VALERY HACHE/AFP/Getty Images)

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Charlotte Casiraghi arrives to attend a ceremony during the 2017 edition of the Jumping International of Monaco horse jumping competition as part of the Global Champions Tour on June 24, 2017 in Monaco. / AFP PHOTO / VALERY HACHE (Photo credit should read VALERY HACHE/AFP/Getty Images)

Charlotte Casiraghi arrives to attend a ceremony during the 2017 edition of the Jumping International of Monaco horse jumping competition as part of the Global Champions Tour on June 24, 2017 in Monaco.  / AFP PHOTO / VALERY HACHE        (Photo credit should read VALERY HACHE/AFP/Getty Images)

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Charlotte Casiraghi arrives to attend a ceremony during the 2017 edition of the Jumping International of Monaco horse jumping competition as part of the Global Champions Tour on June 24, 2017 in Monaco. / AFP PHOTO / VALERY HACHE (Photo credit should read VALERY HACHE/AFP/Getty Images)

Charlotte Casiraghi arrives to attend a ceremony during the 2017 edition of the Jumping International of Monaco horse jumping competition as part of the Global Champions Tour on June 24, 2017 in Monaco.  / AFP PHOTO / VALERY HACHE        (Photo credit should read VALERY HACHE/AFP/Getty Images)