Being away from your children is never easy. In the midst of her trip to New York, where Kourtney Kardashian takes advantage of Fashion Week, the 39-year-old star of Keeping Up with the Kardashians said she had been unable to snuggle with her children. "I miss my babies," she wrote Friday, accompanied by a photo of her 4-year-old son Reign, adorably resting his head on his shoulder as the two children curled up in bed in their pajamas . That night, his ex Scott Disick shared a nice picture with their daughter Penelope, 6 years old. "Just me and my cabbage," he subtitled a picture of the couple posing together, adding a red heart emoji. The couple shares three children, Mason's sons, 9, Reign and his daughter Penelope.Do you want all the latest announcements of pregnancy and birth, as well as celebrity blogs about mothers? Click here to get these and more in the PEOPLE Parents newsletter.RELATED: Kourtney Kardashian wants to show "positive" co-parenting with Scott Disick on KUWTKThe mother of three has attended various events throughout the Big Apple this week. On Wednesday, she went out with her sister Kim Kardashian West, while they were wearing a pair of all-black dresses revealing at the 2019 amfAR gala. Two days later, she hit the city with her close friend Simon Huck.Kardashian also used his trip to New York to advocate for a cosmetic reform during an appearance on Today.

Kourtney Kardashian and Kim Kardashian WestPlus

When she appeared on the Today show, Kardashian also stated that she and her ex-partner were trying to show a positive parenting relationship on KUWTK. "I can show a message" Parents can hear and work together "and we travel together," she explained. "I think it's a good message to show others. I do not do it for that reason, but I think the positive thing we do is nice to [show]. "ASSOCIATED VIDEO: Kourtney Kardashian reveals his reaction if Scott Disick and Sofia Richie were engagedAlthough the couple, who ended their nine-year relationship in 2015, has had differences over the years, he has always given priority to his family. "Kourtney and Scott are friends and co-parents. They have very good relationships, so it's no wonder they are together with the kids, "a source told PEOPLE. "They want kids to feel like they're still a family and that they can have fun together."

Kourtney Kardashian, Scott Disick and his daughter PenelopeMore

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Kardashian even spent more time with Disick and his girlfriend Sofia Richie, 20, recently. A few days before Christmas, the three children went on family vacations to Cabo San Lucas, Mexico, with their children. "What more can a guy ask for? THE THREE COMPANY, "Disick subtitled an Instagram photo of the trio based on recliners.When a fan called the trip" successful co-parenting !! "said Khloé Kardashian.Beyond proud of all !!!! It's the love !! Your children first! All great adults, that's it !!! She tweeted. A week later, Kardashian, Disick and Richie were spotted in Aspen, Colorado.