See Pregnant Cameron Diaz's Belly in Star-Studded What to Expect When You're Expecting Trailer

Entertainment Dec. 9, 2011 AT 6:18PM

Pregnancy sucks!

Well, that's the opinion of at least one mom-to-be, Wendy, played by Elizabeth Banks, who unravels spectucularly before a crowd in the just-released new trailer for What to Expect When You're Expecting.

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Inspired by the landmark, bestselling how-to book for expectant parents, the celeb-packed romantic comedy also stars Jennifer Lopez, Cameron Diaz (sporting a baby belly!), Brooklyn Decker, Chace Crawford, Matthew Morrison, Chris Rock and other A-listers.

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Watch as Diaz, Lopez, Decker and other stars gripe and deal with impending childbirth, Mommy envy and more in this first look preview!

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