Christensen won the Miss Denmark crown in 1986 and represented Denmark in Miss Universe 1986. She left her home soon afterwards to pursue modeling in Paris.
Christensen appeared on many magazine covers and in fashion campaigns during the 1990s. One noted campaign featured her in a 20 by 40 feet (6 by 12 m) billboard in Times Square, bare, "except for a strategically placed banana leaf." She was in the Victoria's Secret catalog and in their television commercials as one of the signature Angels, along with Tyra Banks, Karen Mulder, Daniela Pestova, and Stephanie Seymour. She also became a spokesmodel for Revlon cosmetics.[citation needed]
Christensen appeared on many magazine covers and in fashion campaigns during the 1990s. One noted campaign featured her in a 20 by 40 feet (6 by 12 m) billboard in Times Square, bare, "except for a strategically placed banana leaf." She was in the Victoria's Secret catalog and in their television commercials as one of the signature Angels, along with Tyra Banks, Karen Mulder, Daniela Pestova, and Stephanie Seymour. She also became a spokesmodel for Revlon cosmetics.[citation needed]