Scott Disickcouldn’t be more thankful for the mother of his children,Kourtney Kardashian.
In a heartfelt Instagram post on Monday (which also marked the sixth and 11th birthdays of their sonsReignandMason, respectively), Disick, 37, expressed his appreciation for his ex alongsidea photo of the pairwith Reign and daughterPenelope, 8, posing on a staircase.
“I love u and our family more than anything in the world 🌎,” he added.
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Scott Disick; Kourtney Kardashian.Scott Disick Instagram

Scott Disick and Kourtney Kardashian.David Becker/WireImage

Disick and Kardashianended their nine-year relationshipin 2015, but have remained amicable co-parents — and evenjoked about having a fourth child togetherrecently, in theKeeping Up with the Kardashiansseason 19 finale.
The exes have since dated other people (perhaps most notably for Disick,Sofia Richie, whom hesplit from in August). And while a source recently told PEOPLE that theFlip It Like Disickstar isnot in a rush to start datingagain, he has been spotted several times withAmelia Hamlinsince late October.
OnThanksgiving, Hamlin, 19, shared a series of photos on her Instagram Story of the people she’s lucky to have in her life – her family, friends and Disick. “Thankful 4 these ppl,“she captioned a photo with Disickand another friend on her Instagram Story.
Caitlyn Jennernoted in September that she was hopefulKardashian and Disick would get back togethereventually, saying in part, “They’ve got all these kids together. I think always it’s the best for the kids to have a mother and a father that’s right there all the time.”
Scott Disick and Kourtney Kardashian with their kids.Kourtney Kardashian/Instagram

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Over the weekend, Disickcelebrated Mason and Reign’s birthdayswith a gathering at his home. The father of three shared photos on hisInstagram Story, including an image of Reign holding a white snake in his arms.
“Happy birthday,” Disick wrote, going on to share a snapshot of silver balloons that spelled out Mason and Reign’s names.
ThePooshfounder also postedmultiple images of the boysto her Instagram Story on Monday to celebrate their joint birthday, writing, “I’m crying” and “Thankful” atop two snapshots of the brothers.
“Happy birthday to these two beautiful boys of mine who I love so much!!” proud grandmotherKris Jennershared on Instagram, alongside a seriesof photos of the boys. “Mason and Reign you are both such a big part of my heart and I’m so very proud of you!!! You bring such joy and happiness to our entire family and we love watching you grow … you are the most amazing grandsons and I love you more than you will ever know … Lovey ❤️🙏🎄🥰😍#family#memories#love.”
source: people.com