The Royal Family of Denmark attended the traditional New Year's reception at Amalienborg Palace in Copenhagen on January 1, 2018.

Crown Princess Mary of Denmark looked absolutely breathtaking in a crimsom coloured gown and a glittering tiara as she attended a traditional New Year's reception in Copenhagen on Monday evening - 1 January 2018

Crown Princess Mary wore a sparkling Ruby Parure Tiara which dates back two centuries and has been in the Danish royal family since 1869, as she attended the traditional New Year's reception at Amalienborg Palace in Copenhagen

Crown Princess Mary of Denmark looked radiant in a satin red dress, which nipped in at the waist and featured a sweetheart neckline. She completed her glamorous look with an exquisite Ruby Parure tiara and matching pair of diamond and ruby earrings, during the traditional New Year's reception at Amalienborg Palace on January 1, 2018

Crown Princess Mary of Denmark turned heads, stunning in a shoulderless crimson gown. The Crown Princess also added a pair of diamond drop earrings and was seen sporting a brooch depicting an image of her mother-in-law, the Danish Queen, as she attends traditional New Year's reception in Copenhagen

Denmark's Crown Pricess Mary, stunning in a shoulderless crimson gown, featured short sleeves and was cinched in at the waist. With her brown hair tied into a regal-looking up-do, she added a sparkling silver Ruby Parure tiara which she is frequently seen wearing at royal events. Meanwhile, her husband Crown Prince Frederik put on a dapper display in traditional military regalia, as they arrived for the traditional New Year's reception in Copenhagen.

Crown Princess Mary appears absolutely breathtaking in a crimson gown and sparkling Ruby Parure tiara as she attends traditional New Year's reception in Copenhagen alongside her dapper husband Crown Prince Frederik of Denmark

Crown Prince Frederik and Crown Princess Mary of Denmark looked picture-perfect as they arrived for the traditional New Year's reception at Amalienborg Palace in Copenhagen

Danish Crown Princess Mary also wore the Order of the Elephant on a chain-link collar, known as The Knight's Day, as she attends traditional New Year's reception in Copenhagen

Crown Princess Mary of Denmark put on a regal display as she attended the traditional New Year's reception at Amalienborg Palace in Copenhagen on 1 January 2018. The New Year's reception is a centuries-old tradition held for members of the Danish parliament, top officials and court management

Crown Princess Mary of Denmark looked simply breathtaking as she joined husband Crown Prince Frederik of Denmark, at the event, which was hosted by his mother, Queen Margrethe.

Denmark's Crown Princess Mary, looked radiant in a satin red dress, which nipped in at the waist and featured a sweetheart neckline. She completed her glamorous look with an exquisite Ruby Parure tiara and matching pair of diamond and ruby earrings, who joined her husband Crown Prince Frederik, for the traditional New Year's reception at Amalienborg Palace on January 1, 2018

Denmark's Princess Marie, who arrived on the arm of her husband Princess Joachim, was just as stunning in a full-length white gown that featured a pristine overlay. She added a pop of color with a gold clutch, a Diamond Floral Tiara and drop diamond earrings, as they attends traditional New Year's reception in Copenhagen.

Princess Marie of Denmark looked simply stunning in a full-length white gown that featured a pristine overlay. She added a pop of color with a gold clutch, a Diamond Floral Tiara and drop diamond earrings, arrived for the traditional New Year's reception in Copenhagen

Crown Princess Mary of Denmark regal in red, looked stunning in a shoulderless gown, a glittering Ruby Parure Tiara and matching pair of diamond and ruby earrings, as she attends traditional New Year's reception in Copenhagen on 1 January 2018

Crown Princess Mary of Denmark appears absolutely breathtaking in a crimson gown and sparkling Ruby Parure Tiara at the Christian VII Palace in Copenhagen for the first New Year banquet on January 1, 2018.

Crown Princess Mary of Denmark at the Christian VII Palace for traditional New Year's reception in Copenhagen on January 1, 2018

Crown Princess Mary of Denmark appears absolutely breathtaking in a crimson gown and sparkling Ruby Parure Tiara as she attends traditional New Year's reception in Copenhagen alongside Crown Prince Frederik who is dapper in traditional military regalia.

Queen Margrethe II of Denmark arrives at the Christian VII Palace in Copenhagen on January 1, 2018 for the first New Year banquet.

Queen Margrethe II of Denmark worn an emerald green gown with matching necklace, earrings and Emerald Parure Tiara, completing the look with a fur stole, arrives at the Christian VII Palace in Copenhagen for the first New Year banquet on January 1, 2018.

Queen Margrethe II of Denmark hosts an annual New Year's banquet in the Danish capital. She wore a dashing emerald green lace gown with matching Crown Jewels Necklace, earrings and Emerald Parure Tiara, completing the look with a fur stole.

Princess Marie of Denmark, who arrived on the arm of her husband Princess Joachim of Denmark, was just as stunning in a full-length white gown that featured a pristine overlay. She added a pop of color with a gold clutch, a diamond floral tiara and drop diamond earrings.

Princess Marie of Denmark arrives at the Christian VII Palace in Copenhagen for the first New Year banquet on January 1, 2018.

Crown Princess Mary of Denmark looked absolutely breathtaking in a crimson colored gown and a glittering tiara as she attended a traditional New Year's reception in Copenhagen on January 1, 2018

Crown Princess Mary of Denmark looked radiant in a satin red dress, completed her glamorous look with an exquisite Ruby Parure Tiara and matching pair of diamond and ruby earrings, she also wore the Order of the Elephant on a chain-link collar as she attends traditional New Year's reception in Copenhagen

Princess Marie of Denmark, stunning in a full-length white gown that featured a pristine overlay. She added a pop of colour with a gold clutch, a Diamond Floral Tiara and drop diamond earrings, as she attends traditional New Year's reception in Copenhagen alongside with her husband Princess Joachim of Denmark.

Crown Princess Mary looked simply breathtaking as she joined her husband Crown Prince Frederik of Denmark, at the event, which was hosted by his mother, Queen Margrethe II at the Amalienborg Palace in Copenhagen for the first New Year banquet on January 1, 2018.

Crown Prince Frederik and Crown Princess Mary of Denmark arrived at the Christian VII Palace in Copenhagen for the first New Year banquet on January 1, 2018.

Queen Margrethe II of Denmark arrived at the Christian VII Palace in Copenhagen for the first New Year banquet on January 1, 2018

Crown Princess Mary of Denmark stunning in a shoulderless crimson gown which nipped in at the waist and featured a sweetheart neckline, top off with a glittering Ruby Parure tiara and a matching pair of diamond and ruby earrings, as she attended a traditional New Year's reception in Copenhagen on January 1, 2018

Princess Marie of Denmark, looks stunning in a full-length white gown that featured a pristine overlay and a glittering Diamond Floral tiara and drop diamond earrings, as she attended the traditional New Year's reception at Amalienborg Palace in Copenhagen on January 1, 2017.

Princess Marie and Prince Joachim of Denmark arrived at the Christian VII Palace in Copenhagen for the first New Year banquet on January 1, 2018.

Crown Princess Mary of Denmark put on a regal display as she attended the traditional New Year's reception at Amalienborg Palace in Copenhagen as she joined her husband Crown Prince Frederik of Denmark at the event.