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. In other related Sharper Image ads, Klum is wearing jeans with a black leather jacket, under the caption, 'How does Heidi Klum capture the action?'