Kristen Bell
The "Forgetting Sarah Marshall" star is certainly far from ashamed from her killer body, but she draws the line at showing one specific part... “I don’t show my crack!” she said to Women’s Health Magazine. “All the Mr. Skins of the world are like, ‘Ooh, Kristen gets naked!’ I’m like, ‘Dream on!’” The mother of two is definitely not in the market for any raunchy roles in the future.