Looks like this “thing” with Jennifer Lopez and Casper Smart is getting pretty serious.

Jennifer and Casper, who have been publicly dating since last November, were spotted having a play date on the beach in Malibu with the American Idol judge’s 3-year-old twins Max and Emme.

In some of the photos, Casper — who is also a backup dancer for Lopez — can be seen playfully hoisting little Emme in the air and running around with her and Max as their mom watches on by the beach.

A friend of the couple recently told US Weekly that Smart gets along “great” with Lopez’ two children from her former 7-year marriage with Marc Anthony.

Lopez and Anthony have yet to finalize their divorce, but it looks like things are already heating up between Jennifer and Casper.

“Jennifer wouldn’t introduce him to them unless she know she could trust him,” the friend told US Weekly.

Check out 15+ pics of the couple in Malibu with the twins below below:

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