Jennifer Lopez takes the son Samuel from Ben Affleck to have lunch

Jennifer Lopez And Ben Affleck No longer “on the floor” more together … but she is clearly a devoted ex-Stepmom-for she took his son!

The singer-songwriter took her child Emme To have lunch on Saturday … and she surprised in a white crop top who showed off her torn abdominal muscles.

She added a low-rise black pants to the ensemble while she walked with Emme and Samuel“ Ben’s 13-year-old son.

View the photos … Samuel looks a bit like his father in a T-shirt and a few pale shorts while he follows J Lo.

No Ben on this outing … Only Samuel is hanging around with his former stepmother and step block – which makes sense when you consider how close the families are when they were connected by marital ties.

We told you everything about the marriage of Bennifer that ended earlier this year established their divorce … But, He Exen have worked hard to stay in the lives of their children.

They lived one Back-to-school event togetherwent to Lunch as a group And have generally tried to keep things civil so that their children can have a relationship.

Btw … seems like one busy weekend For Samuel – who went out with his father, his mother Jennifer Garner And his father’s grandmother in Los Angeles Friday evening.