Jennifer Lopez has been hard at work on The Back-Up Plan in NYC this week. She was able to take a little break yesterday to enjoy a visit from her twins Max and Emme, who arrived with their grandma Guadalupe. Max and Emme were also able to say hi to Jennifer when production was back in LA, but the family's East Coast location means they're all close to the Long Island estate the Lopez-Anthonys call home.

To see more of Jennifer and her kids just