Jennifer Lopez Joins 'What To Expect When You're Expecting' Cast

Jennifer Lopez arrives at "American Idol" season 10 finale results show held at Nokia Theatre LA Live on May 25, 2011 in Los Angeles Jennifer Lopez arrives at

Jennifer Lopez is about to adopt a baby from abroad – on the big screen that is!

The star will join Cameron Diaz in the upcoming film adaptation of top-selling pregnancy guide from authors Heidi Murkoff and Sharon Mazel, “What To Expect When You’re Expecting,” Lionsgate announced on Tuesday.

J.Lo will play Holly, a woman who adopts a baby from overseas after having trouble conceiving with her husband.

The 41-year-old mother of twins will start shooting the movie this summer, which is expected to hit theaters on Mother’s Day Weekend 2012.

The triple-threat was last seen on the big screen in 2010’s “The Back-up Plan,” where she played a woman who has a baby through artificial insemination, the same day she bumps into the love of her life, played by “Hawaii Five-0’s” Alex O’Loughlin.

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