Heidi Klum strips down for new ad

Supermodel Heidi Klum has bared all again for a new advertisement.

The 41-year-old German supermodel agreed to shed her clothes as part a new ad for gadget store The Sharper Image, reported Us magazine.

In one ad, the 'Project Runway' host is seen sitting cross-legged, covering her modesty with her left knee and right arm.