We look back at Catherine, Princess of Wales, and Queen Mary of Denmark's best 'style sister' moments through the years.

This week, Queen Mary of Denmark stepped out wearing a Jenny Packham dress that's come to be synonymous with Kate Middleton.

The April festival will also with Julie Delpy's "Meet the Barbarians" and close with Daniel Minahan's "On Swift Horses." ...

Prince William ’s official title under his father’s reign is the Prince of Wales and he sometimes uses Wales as his last name ...

The Danish court confirmed the tiara had been locked away in the royal vault for 140 years, with Queen Mary's outing marking ...

Queen Mary of Denmark and her husband, King Frederik X, were welcomed by president of Finland Alexander Stubb and his spouse, ...

For a gala dinner at the Presidential Palace in Helsinki celebrating the historical relationship between Denmark and Finland, ...

With some volcanic connections and a fiery romantic backstory, the tiara and bracelet worn by Queen Mary in Finland are ...

Queen Mary of Denmark and her husband King Frederik X enjoyed a trip to Lapland shortly before getting stuck back into royal duties amid the state visit to Finland.

Queen Mary of Denmark wore the same Jenny Packham gown previously worn by Kate Middleton to the royal ball in Copenhagen. The ...

Queen Mary of Denmark sparkled on the dance floor wearing a gown that the Princess of Wales has previously stepped out in.

The Queen of Denmark styled her tiara and hair in the same way as Princess KateQueen Mary of Denmark was thinking pink for ...