Nielsen has worked for Italian television, hosting shows such as: "Festival" (1987), the 1992 edition of the Sanremo Music Festival, "Retromarsh!" (1996–1997), and "..la sai l'ultima?" (1999). In 1997, she hosted a talk show series "Gittes venner" for a Danish TV network and some TV shows for RTSI, the Italian language Swiss television network. She guest starred for an episode of the German TV series "Stuttgart Homicide", aired by ZDF on 28 March 2011, guest-hosted the British chat show "Loose Women" on 7 December 2010. In April 2011, she attended the British variety/talent show "Sing If You Can", which aired on ITV.