Pregnancy can be a roller coaster of emotions. Of course there's happiness, even elation and giddiness. There also can be fear and anxiety. Peg Moline, editor-in-chief of FitPregnancy shares some insights from their current Hollywood Issue about how well-known celebrity moms such as Jessica Alba, Halle Berry, Angelina Jolie, and Jennifer Garner prepared for pregnancy and motherhoodMore on having a Fit Pregnancy