Growing up, Wiedemann was affected with scoliosis and had to wear a back brace starting at age twelve and finally ending at age seventeen. After high school, she attended The New School and graduated with a B.A. in international relations. She then followed this up with a graduate degree from the London School of Economics. It was during her college years that she began modelling, and in 2003, she signed with IMG.
Wiedemann is 1.78 metres tall, and her measurements are 86.5-63.5-89. She wears a size 34 dress and a size 41 shoe. She has brown eyes and brown hair.
On the Runway
Wiedemann spent the first few years of her modelling career doing photo shoots. It wasn’t until September of 2005 that she made her runway debut in the spring shows for Custo Barcelona, Bill Blass, and Diane von Furstenberg. She didn’t walk on the runway in a major show following that until 2008, when she walked in the fall Earth Pledge Future Fashion event.
Wiedemann first appeared in photographs for Abercrombie & Fitch in 2003. The next year, she became the face of Bill Blass. That same year, she was also featured as a rising star in People. In 2006, she became the spokesperson for Lancome, replacing her mother. Her first cover appearance came in November of 2006 when she was featured on the cover of French Elle. In 2007, she appeared on the cover of Elle and in an editorial for Jalouse. She was also featured in print ads for Samsonite. In 2008, she was featured in Very Elle wearing Givenchy menswear. That same year, she also appeared on the cover of Spanish Elle, Italian GQ, and Italian Elle.
Other Appearances and Projects
In June of 2008, Wiedemann made an appearance on the Late Show with David Letterman. She is also the co-founder of the non-profit justonefrickinday.com, a website that organizes special charity projects for charities around the world.