helenareebok.jpgPhoto courtesy of Reebok

Not really looking at the shoes though!

The 41-year-old former model strips naked to advertise Reebok's new EasyTone trainers and, well, we don't need to tell you that she looks fabulously fantastic. But is it approps for her to be nude? Helena herself doesn't think so!

In a recent interview, Christensen said: "I'm Danish. Everyone's naked on the beaches. We don't really give a sh*t."