Jennifer Lopez is joining the cast of What To Expect When You're Expecting, the film adaptation of the book that has dominated best-seller lists for more than 500 weeks. She will star with Cameron Diaz in the movie, which Lionsgate says is expected to begin shooting next month for a Mother's Day Weekend release in 2012.
How is that book - which is a guide to pregnancy - going to be turned into a movie? Lopez will play Holly in one of the film's the interlocking stories. The character is a woman who adopts a baby from abroad with her husband after having difficulty conceiving.
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