2010 Pirelli calendar
In September 2008, she debuted on the Milan catwalks of Prada. Following this Horst has also worked with Goldenpoint, Liu Jo, Massimo Rebecchi and Nando Muzi.
Garrn debuted on the runway at age 15 as an exclusive for the Calvin Klein runway show in New York.
In the 2009-seasons, she walked over 60 shows for prestigious designers such as Stella McCartney, Dior, Louis Vuitton, Chanel, Hermès, Dolce & Gabbana, Michael Kors and others during fashion week.
Recruited at the age of 15, she established herself among the top three most recognisable and in-demand models of the late 1980s and the 1990s, and was one of six models of her generation declared “supermodels” by the fashion industry.