The Danish royals cut a sleek figure, with the heir to the throne Frederik wearing a pin-striped navy blue suit and maroon tie, while Princess Mary wore a modern tailored checked jumpsuit, with patent black leather heels and matching clutch.
Mary wore her hair in a sleeked low ponytail to complete the look.
WATCH: Princess Mary stuns in daring pantsuit
Meanwhile, 42-year old Princess Victoria looked just as stylish opting for an eye-popping red, white and blue patterned dress, white clutch, and matching brown shoes and belt.
Prince Frederik, Princess Mary, Princess Victoria and Prince Daniel pose as they arrive at the Confederation of Danish Industry Summit 2019 in the Concert Hall in Copenhagen.
Prince Frederik of Denmark, Princess Mary of Denmark and Princess Victoria and Prince Daniel of Sweden arrive for a visit at the UN City in Copenhagen.
The Scandinavian royals were all smiles on Tuesday, September 17th, as they posed inside the Concert Hall in Copenhagen for the 2019 Confederation of Danish Industry Summit.
Posting a photo to Instagram, Princess Mary and Prince Frederik spoke about the exciting new innovations that aim for "a sustainable development strategty" for global companies to work together to tackle the challenges facing the planet.
Milly HaddrickMilly is a journalist who passionately devours all the latest and juiciest news. A devout tea enthusiast who's a firm believer in quality downtime, Milly's weekends are usually spent relaxing with a big plate of food, a nice cuppa and the crossword.