By Jeff Labrecque
Updated June 24, 2011 at 05:30 PM EDT
Jennifer Lopez, American Idol
Credit: Tony Duran / FOX.

Jennifer Lopez has joined Cameron Diaz in Lionsgate’s adaptation of What To Expect When You’re Expecting. The American Idol star will play Holly, a woman who adopts a baby from abroad with her husband after difficulty conceiving, in one of the four interweaving tales that will make up the ensemble film, à la Love Actually.

Based on the best-selling book by Heidi Murkoff, the movie will be directed by Kirk Jones (Waking Ned Devine). The film is scheduled for release on Mother’s Day weekend in 2012.

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