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Holly Madison

Holly Madison was a happy pregnant woman — on the inside and out. In January, she posted this pic of her belly decorated with a giant happy face. She ended up giving her daughter, born two months later, an equally happy, shiny name: Rainbow.

Pregnant Celebs Bare Their Bumps

Yahoo Celebrity

Remember when it was a really big deal that Demi Moore showed off her baby bump on the cover of Vanity Fair? Well, we've come a looong way since 1991, folks. Today, celebrity moms-to-be sharing bare belly shots is the new normal. And they don't need a fancy photo shoot to do it — just a camera phone and a Twitter app. Check out these pregnancy selfies shared by the stars...