The "Hit the Floor" crooner's two little ones, Max and Emme, showed up with her security team when she was wrapping up for the day in Los Angeles Sunday, according to Just Jared.
J.Lo was spotted holding hands with her twins and cuddling them after they made their surprise appearance.
The actress is back to work after a quick trip to Rome, Italy last week, where she and boyfriend Casper Smart took in the sights and sounds of the city and enjoyed a romantic dinner out on the town.
In addition to her film shoot and American Idol duties, the busy mom is gearing up for a performance at the American Music Awards Sunday in which she'll perform a tribute to the late Celia Cruz.
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