After internship at Arbetsmarknadsstyrelsen (AMS) ("Agency of Labour market") Hellquist started working as journalist at Karlstads-Tidningen when she was 19 years old and after that she has worked at among TV4 Värmland, Göteborgs-Posten, Resumé and Dagens Nyheter (DN). On DN she was famous for her causeries in Namn & Nytt and later for her chronicles in På Stan and for her interviews in DN Söndag. Since January 2009 she hosts Morgonpasset on Sveriges Radio P3. In 2009 she hosted Sommar in Sveriges Radio P1.
In the spring of 2011 her TV-program Jakten på lyckan was broadcast on Sveriges Television. Earlier Hellquist studied gender studies at the University of Gothenburg. As author Hellquist has written among Karlstad Zoologiska (2009) which is about her father and when she grew up in Karlstad.
- https://web.archive.org/web/20140101142726/http://www.birthday.se/person/f3751df6-bf44-7b2a-6cf3-a4fa385ce7d3. Archived from the original on 1 January 2014. Retrieved 15 June 2012. Missing or empty