see more

MONTE-CARLO, MONACO - MARCH 18: (EDITORS NOTE: NO TABLOIDS) - Pierre Casiraghi and Beatrice Casiraghi during the Rose Ball 2017 To Benefit The Princess Grace Foundation at Sporting Monte-Carlo on March 18, 2017 in Monte-Carlo, Monaco. (Photo by Pierre Villard/ Palais Princier/ SBM/ SC Pool - Corbis/Corbis via Getty Images)

MONTE-CARLO, MONACO - MARCH 18:  (EDITORS NOTE: NO TABLOIDS)  - Pierre Casiraghi and Beatrice Casiraghi during the Rose Ball 2017 To Benefit The Princess Grace Foundation at Sporting Monte-Carlo on March 18, 2017 in Monte-Carlo, Monaco.  (Photo by Pierre Villard/ Palais Princier/ SBM/ SC Pool - Corbis/Corbis via Getty Images)