Simply stunning: Jennifer Lopez was spotted on the set of her new movie, "The Boy Next Door," yesterday (Nov. 17) looking beautiful in a flowy maxi skirt and an oversized, somewhat sheer white top.


In the film, Lopez plays a newly separated mother who begins an affair with a new teenage neighbor who befriends her son, per Variety.com, and gets into trouble when she tries to end the relationship.


The 44-year-old had a wardrobe change later in the day, and switched things up in a black tee and a tight, striped pencil skirt. Her adorable twins Max and Emme later visited her on set.


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For more photos of J. Lo on the set of "The Boy Next Door," head over to x17online.com.


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