Baby Mama
(2008)

Successful but reproductively challenged Tina Fey hires Amy Poehler to be a surrogate to bear her child.

A scam by Amy to fake a pregnancy goes awry and Amy has a child with her boyfriend.

Tina beats the odds to become pregnant by business rival Greg Kinnear.

Sigourney Weaver (the surrogate broker) has twins.

Everyone makes up and the movie ends at a birthday party for Amy's baby.

Thanks Don P!

NOTE: FOR A LENGTHY SYNOPSIS OF THIS MOVIE
PLEASE VISIT TheMovieSpoiler.com