Crown Princess Mary of Denmark has shared never-before-seen photographs of her youngest children, Prince Vincent and Princess Josephine in celebration of their ninth birthdays.
WATCH: Daring Princess Mary and her children jump into ocean
Proud mum Mary, 47, took to Instagram to share the adorable pics with royal fans.
One snap show the siblings wearing matching jackets and wrapping each other up in a loving embrace as they smile sweetly at the camera.
While in another the Vincent pulls his sister Josephine in close for a kiss on the cheek.
Translated from Danish, the caption reads: “Their Royal Highnesses Prince Vincent and Princess Josephine are nine years old today.
“In connection with the birthday, it is a pleasure for the Crown Prince couple to share a number of new pictures of the Prince and Princess.
“The pictures have been taken in recent months and can be seen on the Royal House website. Photos: H.K.H. The Crown Princess ©”
The twins were born on January 8, 2011. Prince Vincent, who arrived 26 minutes before his sister is fourth in line to the Danish throne, while Princess Josephine is fifth.
The new photos come just days after the Danish royals posed for family photos during a holiday in Switzerland.
The family trip marked Prince Christian, 14, Princess Isabella, 12, Prince Vincent and Princess Josephine, both 9, beginning a 12-week spring term on Monday at the Lemania-Verbier International School in Switzerland.
Princess Mary shared further details on the royals’ Instagram account.
“With the school stay, the Crown Prince couple wants to give their children a common experience in an international environment,” she captioned the family photos.
The Swiss school system, which is multilingual, is known throughout the world for their academia and the stay will also help the children’s language skills.
Mary will stay with the children, while Frederik will visit when his schedule allows.