The daughter of Catherine Oxenberg. A granddaughter of Princess Elizabeth of Yugoslavia, she is a relative of the House of Karadordevic, the former royal family of Serbia and, later, Yugoslavia. Oxenberg is also a relative of the British royal family, the Danish royal family, and the Greek royal family through her great-grandmother, Princess Olga ofGreece and Denmark. She is a niece of writer and fashion designer Christina Oxenberg.Oxenberg began her career as a child actress, with small roles in film and television projectsthat her mother, Catherine Oxenberg, and then-stepfather, Casper Van Dien, were involved in. As a teenager, she was a cast member of the reality television series I Married a Princess. In 2008, Oxenberg was presented to society at Le Bal des débutantes at the Hôtel de Crillon in Paris. She was one of two members of the Karadordevic dynasty to make her debut at Le Bal that year, alongside her cousin Victoria de Silva, thedaughter of Princess Katarina and Sir Desmond de Silva. Oxenberg's first film was the 2001 television drama The Miracle of the Cards. In 2002, Oxenberg played the role of Mattie in the science fiction television film The Vector File. In 2009, she had a small role in the Disney film Princess Protection Program. In 2012, she portrayed a Pixie Teammate in the comedy film Noobz. In 2020, she published the book Still Learning: A Memoir. She produced and stars in the do- cumentary series Seduced:Inside the NXIVM Cult, which details her time in the cult.