Actress Jennifer Lawrence is engaged to art gallerist Cooke Maroney, so she celebrated with a party at Brooklyn’s famed River Café — and by house hunting in Manhattan.

J.Law owns a home at star-studded 443 Greenwich in Tribeca, which she rents out.

But that hasn’t stopped her team from inquiring about homes all over the city, including a charming $13.99 million love nest at 397 W. 12th St.

The West Village duplex is in a Cary Tamarkin-designed building.

It comes with five bedrooms, 4½ bathrooms and is 6,166 square feet.

A key-locked elevator opens directly into a foyer; around the corner come living spaces including a library, a large dining room and a living room with double-height ceilings and steel casement windows.

They’re all located near a spacious chef’s kitchen. Off of the living room are twin loggia terraces.Upstairs, there’s a den and the master suite.

Listing broker Leonard Steinberg, of Compass, declined to comment.