Jennifer Lopez is known for many things: her singing, Marc Anthony, Gigli,  and her curves.

The 43-year-old Puerto Rican singer and actress showed her assets in a big  way in an eye-popping dress Thursday night in Las Vegas for a promotional  screening for her new film, Parker.

JLo wore a stunning Kaufman Franco white gown with sexy slits that exposed  her bare thighs and, oh yeah, she had no underwear on.

The dress also featured a skin-color clear mesh that gave the gown a backless  look and it also had a high cut around the neck.

Lopez concluded her “Dance Again”world tour and is taking time to work on  films again. “Parker” is set to hit theaters Friday.

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