She performed small jobs before deciding to put off modeling in order to finish her education in 2007.

[4][5] For her first New York Fashion Week, she walked for Calvin Klein, Ralph Lauren, Donna Karan and Rodarte.

[4] She also opened for Shiatzy Chen, Yves Saint Laurent, Karl Lagerfeld and Alexander McQueen, and closed for Prada, Costume National and Louis Vuitton.

[1] Agren has appeared in numerous editorials for magazines like Vogue Paris, Harper's Bazaar and Numéro.

[1] For the Fall/Winter 2009 season, she appeared in 68 international fashion shows, for designers like Armani, Chanel, Versace, Ralph Lauren, Dolce & Gabbana, Jil Sander and Christian Dior.