A carabinieri stands next to the official declaration of Prince Albert II announcing the birth of twins of the Prince and Princess Charlene, at Monaco Palace December 11, 2014. Princess Charlene of Monaco gave birth on Wednesday to a boy and a girl, the royal couple's first children, an aide to the royals said. According to Monaco's Constitution the boy, named Jacques, will be first-in-line to the throne, and not his twin sister, Gabriella. REUTERS/Eric Gaillard (MONACO - Tags: ROYALS ENTERTAINMENT)