Prince Albert and Princess Charlene joined their twin children on the Monaco Palace balcony today for a historic occasion.

This grand Prince's Palace in Monaco-Ville, up on the rock, has sheltered the Grimaldi family since the 13th century, including Prince Rainier III and his Oscar-winning actress wife, Grace Kelly ...

Princess Charlene and Princess Gabriella are a fashionable mother-daughter duo at Monaco's National Day! See photos and catch up on the royal holiday.