Heidi Albertsen has appeared in print and television advertisements throughout her career. She has had a presence in runway shows, magazines, films, and commercials around the world. She has been seen in and on the cover of Vogue, Harper's Bazaar, Elle, Sports Illustrated, Cosmopolitan, Vanity Fair, Shape, Woman, M!, and several fitness magazines. She has been the featured model in numerous campaigns by La Perla, L'Oréal, Guess, Nicole Miller, Roberto Cavalli and Victoria's Secret. Albertsen has also worked for American Express, Armani, Comme des Garçons, Clairol, Dove, Fruit of the Loom, Neutrogena, and Vera Wang, among others.At the age of 17, Albertsen was the winner of the Elite Model Look World Final, the annual fashion modeling contest held by Elite Model Management, in which the finalists from more than 70 national contests meet each other at the international final. Fitness magazine featured her as Body of the Year for 2000.In addition to her print and commercial credits, she counts among film credits working with Nicolas Cage in National Treasure, Ben Stiller in Zoolander, Woody Allen directing Celebrity, and a David Breashears' IMAX film Kilimanjaro: To the Roof of Africa for the National Geographic Society.Albertsen has had noteworthy appearances in judging modeling and beauty competitions. In 2005, Albertsen was a celebrity judge in the Miss Universe Pageant, which was held in Thailand. In 1994, Albertsen was a celebrity judge in the 1994 Elite Model Look World Final in Ibiza, Spain. Between 1995 and 1999, she judged the Elite Model Look national competitions of Denmark, Indonesia, and Thailand.In 2011, Albertsen was a contestant on the Danish franchise of the television show Masterchef, which achieved the highest ratings among all Masterchef national franchises throughout Europe.In 2013, she reunited with the production and joined the television series as a contestant on MasterChef Denmark All-Stars.