Larsson was born in Gotland and is recognised by her pronounced dialect. Now living in Solna with her daughter, she attended the National Academy of Dramatic Art in Stockholm in 1980. She has been active in the S.U.C.K. since 1988 and comedian group R.E.A. . She has also appeared in the TV show Parlamentet.She performed as a stand up comedian in Great Britain 1996 and also did a couple appearances on British television.
In 2006 she was voted the most popular female comedian in Sweden in the popular TV-programme Folktoppen.