12. Scarlett Johansson
Vanity Fair, March 2006
Rachel McAdams backed out of a Vanity Fair cover shoot when she discovered that she would be posing nude, but Scarlett Johansson and Kiera Knightley had no such fits of modesty. Luckily, designer Tom Ford — fully clothed but still showing an ample amount of chest hair — was able to step into the shoot to nibble on Knightley's ear.