The Belgian royal, 22, was surrounded by her proud parents, King Philippe and Queen Mathilde, and her younger siblings, Prince Emmanuel, 18, and Princess Eleonore, 16, at the ceremony.
Elisabeth, who will one day be queen, achieved a 2:1 degree in History and Politics from Lincoln College at the prestigious British university.
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The royal wore traditional academic dress for her graduation ceremony, consisting of a white button-up shirt, a black pencil skirt and the traditional ribbon tie.
Elisabeth's graduation took place in the university's Sheldonian Theatre, where ceremonies are still conducted in Latin. After the college name is called, students bow to the Vice-Chancellor and Proctors. The newly admitted graduates then put on the robes of their new degree.
As tradition, Elisabeth also joined her fellow graduates to throw her mortar board up in the air in celebration. Watch below…
WATCH: Princess Elisabeth graduates from Oxford University
The Belgian heir will study a two-year master's degree in public policy this autumn, the palace confirmed earlier this year.
The Belgian royals walked down the picturesque streets of Oxford to make their way to Elisabeth's graduation ceremony at the university. While the princess wore academic dress, her mother, Queen Mathilde, looked beautiful in a pink ensemble by Natan Couture, and her sister, Princess Eleonore opted for a green floral dress from Maje.
Princess Elisabeth beams as she poses with her degree certificate inside Lincoln College's opulent library. She previously studied at UWC Atlantic College in Wales before undertaking military training and enrolling at Oxford University in 2021.
Queen Mary and King Frederik attended a Christmas service at Copenhagen Cathedral with Prince Christian, Princess Isabella, Princess Josephine, and Prince Vincent.
From heart-warming charity visits to festive family photos and glamorous royal outings, it’s been a memorable week for Europe’s royal families as they step into the Christmas spirit. Join HELLO! as we unpack some of our favourites.