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Prince Albert II of Monaco, right, with his wife Princess Charlene and their twins, Prince Jacques, right, and Princess Gabriella, attend from the Monaco palace to the Monaco's national day ceremony, in Monaco, Friday Nov. 19, 2016. Monaco's Fete Nationale has been celebrated since the reign of Prince Charles III in 1857. (AP Photo/Claude Paris)

Prince Albert, Princess Charlene of Monaco

Prince Albert II of Monaco married Charlene Wittstock in July. The prince is one of three children of Prince Rainier and his late wife, American actress Grace Kelly.