The Danish Royal Family Attend Parliaments Celebration Of Reformation 500th Anniversary on October 31, 2017 in Copenhagen, Denmark.

Princess Marie of Denmark, swept her hair into a loose chignon, attended the 500th anniversary of the Reformation movement in Copenhagen

Queen Margrethe gives a speech, the 77-year-old monarch looked sprightly in a vibrant purple coat dress and matching hat adorned with black feathers, during the Parliament celebration of Reformation's 500th anniversary on October 31, 2017 in Copenhagen, Denmark.

Princess Marie of Denmark arrives to the Parliament to celebrate the Reformation's 500th anniversary on October 31, 2017 in Copenhagen, Denmark.

Crown Princess Mary of Denmark, leads the arrivals at Folketinget, Christiansborg Palace as the Danish royals gather in Copenhagen to mark the 500th anniversary of the Reformation movement

 Queen Margrethe II of Denmark, is given a royal salute, who looked sprightly in a vibrant purple coat dress and matching hat adorned with black feathers, as she led arrivals at Folketinget (Danish Parliament) at Christiansborg palace.

(L-R) Princess Marie with husband Prince Joaquim and Princess Benedikte of Denmark seen chatting outside the Christiansborg, Palace at their arrival to the Parliament to mark the 500th anniversary of the Reformation movement in Copenhagen

(L) Princesses Marie of Denmark and Crown Princess Mary of Denmark (R)  greet each other as Prince Joachim of Denmark looks on, during their arrival to the Parliament to celebrate the Reformation's 500th anniversary on October 31, 2017 in Copenhagen, Denmark.

Danish Queen Margrethe II and Crown Prince Frederik talk among themselves, alongside with Crown Princess Mary on right, ahead of the service at Christiansborg palace

Princess Marie of Denmark, opted for dark colours, teaming her black sequin embellishment on her skirt suit with a teal dress and elaborate headpiece. She swept her hair into a loose chignon and added a touch of glamour with patent heels, arrives at the Parliament celebration of reformation's 500th anniversary in Copenhagen

Crown Princess Mary of Denmark looked chic in a belted cream jacket teamed with a black A-line skirt and pointed heels, which she finished off with leather gloves and oversized pearl earrings. As she arrives to the Parliament to celebrate the Reformation's 500th anniversary in Copenhagen

Crown Princess Mary of Denmark seen at the arrivals at Folketinget, Christiansborg Palace as the Danish royals gather in Copenhagen to mark the 500th anniversary of the Reformation movement

Crown Princess Mary of Denmark, dress was embellished with shimmery beading, and completed her look with an elegant box clutch and satin heels, attends the glittering gala concert in Copenhagen

Denmark's Crown Princess Mary showed off her sensational figure in a a sparkling navy number as she took her husband Crown Prince Frederik's arm on the red carpet, as they attends the glittering gala concert in Copenhagen

Princess Marie of Denmark added a shimmering black shawl to wrap up against the cold, completing her look with a colorful brooch and satin box clutch, as she attends the glittering gala concert in Copenhagen

Queen Margrethe II of Denmark wrapped up against the autumn chill in an opulent fur shawl and fuchsia gown, as she made a glamorous entrance for a  glittering gala concert in Copenhagen

Queen Margrethe's sister, Princess Benedikte of Denmark, also donned her fur for the gala concert - thrown on over a sparkling silver dress and metallic shoes

Denmark's Princess Marie was color-coordinated with husband Prince Joaquim, with the dapper pair both opting for navy. Princess Marie wore an elegant chiffon dress with draping detail along the front, as they attends the glittering gala concert in Copenhagen

Crown Princess Mary of Denmark looks stunning, as she added a pair of statement diamond earrings to her dazzling ensemble during a glittering gala concert in Copenhagen

Crown Princess Mary of Denmark, dress was embellished with shimmery beading, she added a pair of statement diamond earrings and completed her look with an elegant box clutch and satin heels, attends the glittering gala concert in Copenhagen

(L-R) Denark's Princess Marie, Prince Joachim and Princess Benedikte seen at their arrival to the Parliament to celebrate the Reformation's 500th anniversary on October 31, 2017 in Copenhagen, Denmark.

(L-R) Princess Marie, Crown Princess Mary and Prince Joachim of Denmark seen at their arrival to the Parliament to celebrate the Reformation's 500th anniversary on October 31, 2017 in Copenhagen, Denmark.

Princess Benedikte and her nephew Crown Prince Frederik of Denmark seen chatting while waiting for the Queen of Denmark to arrive to the Parliament to celebrate the Reformation's 500th anniversary on October 31, 2017 in Copenhagen, Denmark.

Crown Prince Frederik and Princess Benedikte seen chatting at their arrival to the Parliament on October 31, 2017 in Copenhagen, Denmark.

(L-R) Princess Benecdikte, together with Crown Prince Frederik and Crown Princess Mary during their arrival to the Parliament to the Parliament to celebrate the 500 years anniversary of the Reformation on October 31, 2017 in Copenhagen, Denmark.

Danish Queen Margrethe II holds a speech during the Parliament's celebration ceremony on the occasion of the Reformation's 500 years anniversary on October 31, 2017 in Copenhagen, Denmark.

Queen Margrethe II of Denmark seen during the Parliament's celebration ceremony on the occasion of the Reformation's 500 years anniversary on October 31, 2017 in Copenhagen, Denmark.

The royal family is waiting for the Queen to arrive to the Parliament to celebrate the Reformation's 500th anniversary on October 31, 2017 in Copenhagen, Denmark. From L - R: Princess Marie, Prince Joachim and Crown Princess Mary.

Princess Benedikte of Denmark seen at the arrival to the Parliament on October 31, 2017 in Copenhagen, Denmark.

Queen Margrethe II of Denmark is greeted by her son Prince Joachim and Princess Marie curtsy before the Queen during her arrival to the Parliament to celebrate the 500 years anniversary of the Reformation on October 31, 2017 in Copenhagen, Denmark.