During her time in Paris, she posed for Sportswear International, Vogue Paris, and others.[2][4] Upon her return to the United States, Severance became one of America's top models, filming over 40 commercials, and earning $7,500 per day.[2] She has also modeled for Versace, Chanel, and Armani.[5]

Severance was also on the covers of the January 1990 and November 1992 issues of Playboy magazine, both featuring her in a nude pictorial. More recently, at age 52, she appeared in a six-page editorial along with an interview in the Spring/Summer 2011 issue of Genlux magazine.