Kaspersen began her television career in the early 1990s after completing an internship on one of Robert Aschberg's programs.

[3][4] Her debut as a television host came in 1992 with the Swedish show Station Åre (aired on ZTV), which she appeared on until 1993.

[3] In the late 1990s, Kaspersen hosted the entertainment show Söndagsöppet alongside Ulf Larsson.

She also hosted TV4's coverage of the 2010 wedding between Victoria, Crown Princess of Sweden, and Daniel Westling.

[3] She was the winner of Let's Dance 2019, which was broadcast on TV4[6] In 2000, Kaspersen separated from her boyfriend Martin Lamprecht, whom she had been living in cohabitation with for five years.

They met when they hosted Station Åre together in 1993, and remained good friends until 2002 when they began a relationship.