It was a big day for Danish royalty on Sunday as Prince Christian of Denmark, the eldest son of Crown Prince Frederik and Crown Princess Mary, turned 18.
His parents and grandmother, Queen Margrethe, attended a gala dinner in honour of the heir to the Danish throne, joined by many other dignitaries and royal guests.
Read on to see the best moments from the incredible event…
WATCH: Crown Princess Mary and Crown Prince Frederik return to royal duties after break
Queen Margrethe II greets her grandson
Crown Prince Frederik, Crown Princess Mary, Princess Isabella and Prince Christian greeting Queen Margrethe II of Denmark
Queen Margrethe greeted her grandson as the royal family gathered with special guests to celebrate the heir to the throne turning 18 on Sunday.
Crown Princess Amalia and Crown Princess Elisabeth attend
The European royals wore spectacular gowns for the evening's event
Crown Princess Amalia from the Netherlands and Belgium's Crown Princess Elisabeth arrived together at the birthday gala, and each looked the picture of elegance, complete with beautiful royal tiaras.
Prince Christian's speech
Prince Christian addressing his guests
The birthday boy gave a heartfelt speech thanking his guests for attending the gala dinner celebration.
A heartfelt father-son moment
Crown Prince Frederik kissing his son
Crown Prince Frederik showed his pride in his son when he sweetly exchanged a kiss with Prince Christian.
The royal table revealed
Norway's Princess Ingrid Alexandra, Denmark's Prince Christian and Queen Margrethe II
Queen Margrethe II sat next to her grandson and Princess Ingrid Alexandra also joined the monarch and heir to the throne at their table.
Crown Prince Haakon and Crown Princess Mette-Marit arrive
Norway's royals showed their support for the young prince
Crown Prince Haakon and Crown Princess Mette-Marit of Norway arrived at the gala with their daughter, Princess Ingrid Alexandra.
Sweden's Crown Princess Victoria, Prince Daniel and Princess Estelle arrive
The Swedish royals attended the lavish gala
The Swedish heir to the throne, her husband and daughter pulled out all the stops for the celebration, which took place at the Christiansborg Castle in Copenhagen.
Crown Princess Mette-Marit and Princess Ingrid Alexandra wow in matching gowns
The Norwegian royals stunned in ice blue dresses
Norway's royal mother-daughter duo looked beautiful in matching pale blue dresses as they attended the birthday celebration.
The Prince's social side
Princess Ingrid Alexandra sitting alongside Prince Christian
Princess Ingrid Alexandra was one of the royals who enjoyed chatting with the Danish prince at Sunday's birthday celebration.
The royal wave
Prince Christian and his family greeted gathered crowds before his birthday gala
Queen Margrethe, Crown Prince Frederik and Prince Christian waved from the balcony of Frederik VIII at Amalienborg Castle in Copenhagen ahead of the birthday gala.
LISTEN: The team checks out the spookiest royal ghost stories ahead of Halloween...