Stunning photos released before Princess Mary’s major milestone

New portraits of Princess Mary and Prince Frederik of Denmark have been released ahead of the Tasmanian-born royal’s week-long 50th birthday celebration.

Stunning new official portraits of Princess Mary of Denmark have been released ahead of her 50th birthday.

The Tassie-born princess, who turns 50 on February 5, wore a shimmering blue gown by Danish designer Lasse Spangelberg to mark the occasion.

She completed her ensemble with the Queen Ingrid Ruby parure, a historic Danish ruby and diamond jewellery set.

A stunning new official portrait of Crown Princess Mary of Denmark has been released ahead of her 50th birthday. Picture Hasse Nielsen

The jewels, which include a tiara, necklace, earrings, bracelet, brooches, hair clips and a ring, date back to the coronation of Napoleon Bonaparte in France and came to the Danish royal family in 1869.

The portraits show Princess Mary in a shimmering blue gown. Picture Hasse Nielsen

The mother-of-four was joined her husband, Crown Prince Frederik for the portraits, taken by Danish photographer Hasse Nielsen who has previously worked for Vogue.

The images were released on Monday on Instagram alongside a statement detailing the royals’ plans for the Crown Princess’ birthday.

Princess Mary with her husband Crown Prince Frederik. Picture Hasse Nielsen

“On the occasion of Her Royal Highness the Crown Princess’ 50th birthday on Saturday, new official gala portraits of the Crown Prince Couple have been taken,” the statement read.

Princess Mary smiles in one of the official portraits. Picture Hasse Nielsen

A solo portrait of Crown Prince Frederik ahead of Princess Mary's 50th birthday. Picture Hasse Nielsen

The official portrait of Crown Prince Prince Frederik. Picture Hasse Nielsen

The statement revealed that Princess Mary’s birthday will be marked with a number of events — including exhibitions at both Koldinghus and Frederiksborg Castle — as well as the opening of the Crown Princess Mary Centre at the University of Copenhagen.

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Originally published as Stunning photos released before Princess Mary’s major milestone