Sigrid Agren debut as a professional model when she closed the Prada Resort show in 2008. In September 2008, she walked on the stages of New York Fashion Week for the first time. She took part in Donna Karan, Calvin Klein, Ralph Lauren and Rodarte shows, and gained lots of popularity. During the same season, Agren opened the Alexander McQueen fashion show as well as Karl Lagerfeld, Barbara Bui, Sonia Rykiel, Yves Saint Laurent and Wunderkind all in Paris Fashion Week.
Throughout her career, Agren took part both in ready to wear fashion shows and in haute couture shows. She walked for iconic brands like Givenchy, Valentino, Armani Prive’ and collaborated with great designers such as Gaultier, Dior, Jacobs, Chanel, Kenzo and the list goes on and on.
Agren's successful modeling career earned her a place on several FashionTV First Face countdowns. Her most successful season was Fall 2009-2010, then she was ranked 1st place on FashionTV’s prestigious countdown.
Sigrid Agren posed for the world's best known fashion photographers on countless ad campaigns. In 2009, she became one of the faces of Prada. Shortly after, Agren posed for Mert Alas and Marcus Piggott in a campaign for Armani Jeans. Agren was then also photographed by Ryan McGinley for a Stella McCartney campaign (she became the face of the British label).
In addition to her busy routine, Agren signed a contract with Yves Saint Laurent cosmetics and a fragrance contract with Chanel Chance.
When she is not on the catwalks, Agren enjoys ballet. The top model also likes shopping, hanging out with friends and simply being a young teen.