Channelling Grace Kelly glamour Crown Princess Mary Of Denmark walks with husband Crown Prince Frederik of Denmark as they attend the royal wedding of Prince Carl Philip of Sweden and Sofia Hellqvist. Picture: Getty

With a definite nod to vintage style Crown Princess Mary of Denmark, pairs classic accessories with modern details at Copenhagen Airport to greet the arriving Dutch King and Queen at the start of a Dutch State visit to Denmark on March 17, 2015. Picture: Getty

In a paired-back colour scheme Crown Princess Mary of Denmark accompanies her daughter Princess Isabella of Denmark, during her first day of official engagements onThe Island Of Samso on June 6th, 2015. Picture: Getty

Bianca Jagger would have approved of this shimmery outfit as Crown Prince Frederik and Crown Princess Mary of Denmark attend a Gala Dinner at Fredensborg Palace on the evening of Queen Margrethe II of Denmark’s 75th Birthday on April 16, 2015. Picture: Getty

In matching muted-toned cardigans Princess Isabella of Denmark, accompanied by her mother Crown Princess Mary of Denmark visits a nature school, and view fish and shrimps in the estuary, during her first day of official engagements. Picture: Getty

Crown Princess Mary of Denmark and Crown Prince Frederik of Denmark attend a State Banquet at Christiansborg Palace during the state visit of the King and Queen of the Netherlands on March 17, 2015 in Copenhagen. Picture: Getty

Crown Princess Mary of Denmark at Christiansborg Palace on the occasion of The 100th Anniversary of The 1915 Danish Constitution, on June 5th, 2015. Picture: Getty

Crown Princess Mary of Denmark and Crown Prince Frederik of Denmark attend a Gala Dinner at Christiansborg Palace on the eve of the 75th Birthday of Queen Margrethe of Denmark. Picture: Getty

In royal blue Crown Princess Mary of Denmark attends a reception at Copenhagen Town Hall, for the 75th Birthday of Queen Margrethe II. Picture: Getty

Crown Prince Frederik and Crown Princess Mary of Denmark arrive in style at the Bambi Awards 2014 on November 13, 2014 in Berlin, Germany. Picture: Getty

It’s all white ... Crown Princess Mary of Denmark and Crown Prince Frederik of Denmark attend a New Years Levee and Banquet at Christian VII’s Palace on January 1, 2015. Picture: Getty

In royal style Crown Princess Mary and Crown Prince Frederik of Denmark with their children Princess Isabella and Prince Christian attend a Gala Night to mark the forthcoming 75th Birthday of Queen Margrethe II. Picture: Getty

Taking a leaf out of Duchess Kate’s book Crown Princess Mary Of Denmark attends official visit to Canada - Day 2 at MARS Discovery District on September 18, 2014 in Toronto. Picture: Getty

Crown Princess Mary of Denmark and Princess Josephine of Denmark attend a photocell at Chateau de Cayx on June 11, 2014 in Luzech, France. Picture: Getty

Crown Prince Frederik and Crown Princess Mary of Denmark arrive at the Muziekbouw following the water pageant after the abdication of Queen Beatrix of the Netherlands and the Inauguration of King Willem Alexander of the Netherlands in Amsterdam. Picture: Getty

Ceremony And Arrivals: Wedding Of Prince Carl Philip Of Sweden And Sofia Hellqvist

Ceremony And Arrivals: Wedding Of Prince Carl Philip Of Sweden And Sofia Hellqvist

Ceremony And Arrivals: Wedding Of Prince Carl Philip Of Sweden And Sofia Hellqvist

Ceremony And Arrivals: Wedding Of Prince Carl Philip Of Sweden And Sofia Hellqvist