Queen Mary and King Frederik of Denmark congratulate their son Prince Christian during school graduation celebrations

Proud parents Queen Mary and King Frederik of Denmark today congratulated their eldest child on graduating from high school.

Heir to the throne Prince Christian, 18, appeared in good spirits as he stood outside the Ordrup Gymnasium in Gentofte with his family, including siblings Prince Vincent, Princess Josephine and Princess Isabella.

The royals were all smiles as they marked the special moment by having their photos taken together outside the school and speaking to local media.

Wearing a summery ensemble, Mary, 52, wore a crisp white linen shirt which she tucked into a colorful cream skirt with a floral pattern.

She tied her look together with a brown rattan bag and a pair of camel open-toe heels.

The family smiled as they marked the special moment by taking pictures together outside the school and speaking to local media. Pictured L-R: Prince Vincent, Queen Mary, Prince Christian, King Frederik, Princess Isabella and Princess Josephine

The mother of four also chose to accessorize her ensemble with large hoops and several gold bangles, wearing her glossy brunette locks in a blow-dry wave.

Mary wore a glamorous makeup look and opted for a smoky bronze eyeshadow, eyeliner, mascara, bronzer and some light pink lipstick.

Meanwhile, her husband Koning Frederik, 56, stepped out in a white shirt, sapphire blue blazer, tan chinos and black sneakers.

The couple, who have been married for 20 years, looked in love as they wrapped their arms around each other as they walked away from the school.

Christian smiled for the cameras and chose to wear a loose gray patterned shirt, white pants and slate-colored sneakers on his final day. He also wore a student hue, a traditional cap worn by Danish graduates on the last day of school.

It is not known whether Christian will also participate in other traditional end-of-school customs in the Scandinavian country Visit Denmark include packed trucks, dancing, loud music and crowds of excited students.

It is likely that the royal will now go to university in the fall and complete his military training, following in his father’s footsteps.

This is a similar situation to Princess Leonor, the heir to the Spanish throne. After graduating from school, she began her three years of intensive defense training.

Proud parents Queen Mary and King Frederik were pictured outside the school today

Proud parents Queen Mary and King Frederik were pictured outside the school today

Mary looked lovingly at her son as the family smiled for photos.  Pictured L-R: Prince Vincent, Queen Mary, Prince Christian, King Frederik, Princess Isabella and Princess Josephine

Mary looked lovingly at her son as the family smiled for photos. Pictured L-R: Prince Vincent, Queen Mary, Prince Christian, King Frederik, Princess Isabella and Princess Josephine

Mary wore a crisp white linen shirt which she tucked into a colorful cream skirt with a floral pattern and a rope style belt

Mary wore a crisp white linen shirt which she tucked into a colorful cream skirt with a floral pattern and a thong style belt

The couple, who have been married for 20 years, looked in love as they wrapped their arms around each other as they walked away from the school

The couple, who have been married for 20 years, looked in love as they wrapped their arms around each other as they walked away from the school

Christian smiled for the cameras and chose to wear a loose gray patterned shirt, white pants and slate-colored sneakers on his final day.  He also wore a student hue, a traditional cap worn by Danish graduates on the last day of school

Christian smiled for the cameras and chose to wear a loose gray patterned shirt, white pants and slate-colored sneakers on his final day. He also wore a student hue, a traditional cap worn by Danish graduates on the last day of school

Mary and Frederik will likely be at school around the same time next year to celebrate their eldest daughter's graduation.  Pictured L-R: Prince Vincent, Queen Mary, Prince Christian, King Frederik, Princess Isabella and Princess Josephine

Mary and Frederik will likely be at school around the same time next year to celebrate their eldest daughter’s graduation. Pictured L-R: Prince Vincent, Queen Mary, Prince Christian, King Frederik, Princess Isabella and Princess Josephine

Two years ago, Prince Christian was withdrawn from the elite Herlufsholm boarding school after allegations of sexual and physical abuse at the institution emerged in a documentary. His sister Isabella was also supposed to be there, but her parents brought her along too.

The couple attended Ordrup Gymnasium, and since Isabella is only a year younger than her brother, Mary and Frederik will likely be at school around the same time next year to celebrate their eldest daughter’s graduation.

The school from which Christian graduated was founded in 1873 by HC Frederiksen (called Friser), who wanted to distance himself from the traditional teaching methods of his time.

The school, which offers several clubs including top sports clubs, was the first to introduce co-educational education in Denmark and is considered an innovative institution.

The core values ​​at Ordrup are to encourage ‘curiosity’ among its students, as well as ‘collaboration and respect’.

Princess Isabella, 17, opted for a casual outfit and followed in her mother’s footsteps by donning a white ruffled shirt, a denim midi skirt, brown sandals and a cream bag, which she held under her shoulder.

Meanwhile, Josephine, 13, wore a navy blue and black floral blouse, white linen shorts with a brown belt and a pair of green suede Adidas sneakers.

Her twin brother Prince Vincent kept it simple with a blue shirt, white shorts and a pair of trainers.