Inaugural "Monte-Carlo Gala For The Global Ocean" Honoring Leonardo DiCaprio : Red Carpet Arrivals At The Monaco Garnier Opera [Getty Images]

MONACO - SEPTEMBER 28: (L-R) Prince Charles de Bourbon des Deux Siciles and Camilla de Bourbon des Deux Siciles attend the Inaugural "Monte-Carlo Gala For The Global Ocean" Honoring Leonardo DiCaprio at The Monaco Garnier Opera on September 28, 2017 in Monaco, Monaco. (Photo by Stephane Cardinale - Corbis/Corbis via Getty Images)

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