Jenny's heading back to the block! Jennifer Lopez is pregnant and she's planning on moving back home to New York City for the baby.

Sources reveal exclusively to Life & Style magazine that the 47-year-old, who is expecting her third child with longtime boyfriend Casper Smart, wants to raise her kids in the Big Apple.

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"She is ready for a change of scenery and wants to get back to her roots," a source says of the Bronx native.

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The Puerto Rican beauty is planning the permanent move to her NYC penthouse, which features four bedrooms and six-and-a-half baths, after her Vegas residency.

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"She's excited for her and Casper to experience a New York romance," the source adds.

And that romance includes a wedding!

For more on her pregnancy, pick up the latest issue of Life & Style magazine, on newsstands now!

For more cute photos of J.Lo with her twins, Max and Emme, check out the gallery below!