From 13 January 2012, Nielsen was one of the celebrity contestants and winner of "Ich bin ein Star – Holt mich hier raus!", the German version of "I'm a Celebrity...Get Me Out of Here!", broadcast by RTL Television. On 28 January 2012, she won the show as the "Jungle Queen". "Bild" revealed on 30 January 2012 that Nielsen had received the most calls from TV viewers throughout the entire show, ranking No. 1 with 30 – 50% of all call-ins. Nielsen was paid 150.000 Euro (approx. $163,000) for participating in the show, more than any other celebrity. In October 2012, Nielsen was featured in the Danish version of Maestro broadcast on DR1 in which celebrities competed for the chance to conduct a classical orchestra. In September 2013, she joined the cast of the German TV show "Promi-Hochzeitsplanern" ("Celebrity Wedding planners") for Sat.1. The following year, she joined the panel of the German TV show "Promi Shopping Queen" for VOX.