Nielsen appeared on the first season of the Italian production of "The Mole" (2004) and on the third season of the VH1 reality show "The Surreal Life" (2004). Nielsen also appeared with Flav on VH1's Big in '04 Awards. In 2006, she guest-starred on Flav's other reality show, "Flavor of Love". In 2003, Nielsen appeared in the Danish "Big Brother VIP". In January 2005, she was a contestant in Britain's "Celebrity Big Brother", along with her former mother-in-law, Jackie Stallone, coming third in the final public vote. In 2006, she appeared in another reality TV series, VH1's "". In 2007, she starred in a new British mockumentary "Killing Brigitte Nielsen", which aired on Sky Travel. She also appeared in the first season of "Celebrity Rehab with Dr. Drew", which chronicled her struggle to overcome her alcoholism at the Pasadena Recovery Center in Pasadena, California.