In December 2004, Klum became the host, judge and executive producer of the reality show Project Runway on the U.S. cable television channel Bravo (airing on Lifetime television beginning in 2009), in which fashion designers compete for the opportunity to show their line at New York Fashion Week and receive money to launch their own fashion line.
Pada bulan Desember 2004, Klum menjadi pembawa acara, juri dan eksekutif produser dari acara realitas Project Runway di kanal kabel televisi AS bernama Bravo (tayang di kanal Lifetime di awal tahun 2009), dimana para perancang busana berkompetisi untuk mendapat kesempatan menunjukkan lini mereka di New York Fashion Week dan menadapat uang dengan meluncurkan lini mode mereka sendiri.