The reality star seemed in good spirits during the hand-over of young Reign.
The 4-year-old seemed excited about spending time with his father who waited for the pair at Taverna Tony's restaurant in Malibu.
Disick, 35, is still dating Sofia Richie, 20, while Kourtney, 40, is currently single.
Disick recently said he would not have kids with his girlfriend despite the fact that he has three with Kourtney.
And the pair seem to be co-parenting their kids without any major problems.
For more click through the photographs.
Kourtney took her son to a toy store before the pair met his father in Malibu.
The mom-of-three dressed stylish in a beige t-shirt with orange and white pants plus snakeskin boots.
Stylish Reign was dressed for comfort, with a pair of green sweat pants and a white T-shirt.
Scott was spotted out for lunch in a navy blue long-sleeve shirt and olive-colored cargo pants as he talked with friends.
In addition to Reign, they also have an older son, nine-year-old Mason, and a daughter, six-year-old Penelope, neither of whom were absent from the Malibu meeting.
Scott and Kourtney called time on their relationship in 2015 after meeting in 2006.
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