Prince Albert of Monaco and his wife, Princess Charlene, came out stylishly to celebrate the country's National Day on Tuesday, 11 May. 19, but it was their 9-year-old twins who really stole the show.

Prince Jacques — someday taking over his father's role as the sovereign Prince of Monaco — and Princess Gabriella joined their parents for a celebration at the Prince's Palace on Tuesday and they could not have looked cute.

The hereditary Prince, wearing a small black uniform with a cap and medal, matched his dad Prince Albert, and his jacket was trimmed with 2 crowns at the neckline. At the ceremony, which took place in the courtyard of the palace, the 9-year-old also made a salute.

Little Gabriella co-ordinated with her stylish mom in a periwinkle coat dress with floral details embellished on its collar and skirt, meanwhile Princess Charlene rocked a smart lilac trouser suit and a small disc-shaped seductive one on this occasion.

Princess Charlene also brought up her rarely worn engagement ring for the occasion, jeweler Stephen Stone tells Marie Claire "Large

Former Olympic swimmer Charlene recently spoke to the open about her life as a mother and to the gala It's a good idea. She is generally very intrigued by the world and life. She asks a lot of questions and demands a lot of attention."As for Jack, he is curious and attentive," the princess continued, describing her son as "more modest" and "naturally very calm."

Twins turn 12 years old in 10 months. 10, starring in a post on the palace's Instagram account, Jack was wrapping his arms around his sister as she posed on the steps outside the palace. "Hereditary Prince Jack and Princess Gabriella wish you a happy National Day. 🇲 🇨,"read the post.

Gabriella and Jack were not the only royal children who participated in the National Day. Many of their royal cousins also attended, including Princess Caroline's model daughter, Charlotte Kashiragi, and her sons Rafael and Balthazar.

Here we expect sweeter appearances from Charlene, Albert and family during the holiday season ahead.