Kardashian's ex and the father of her children is still getting used to her very public relationship with Barker.
Scott Disick is still adjusting to Kourtney Kardashian's very public relationship with Travis Barker. While the co-parents are still very close, a source told ET that their relationship has changed a bit.
"Travis is so in love and infatuated with Kourtney. They're having the best time together. He's 100 percent all in and totally sees a future with her," the source said. "Kourtney is living her best life and is truly so happy. Having Kourtney and Travis get so serious has been an adjustment for Scott. He is still trying to get used to it. Scott is still close with Kourtney, but things between them have changed a bit."
Both Disick and Barker wished the 42-year-old Poosh founder a happy birthday over the weekend.
"Happy birthday to the best mom a child could ask for and some more!" Disick captioned a family photo with Kardashian and their three kids, Mason, 11, Penelope, 8, and Reign, 6.
The post came after Barker shared a PDA-heavy post in honor of her special day.
"I F**KING LOVE YOU! 🖤 YOU’RE A BLESSING TO THIS WORLD," Barker captioned a series of photos of him kissing Kardashian as well as a video of her sucking on his thumb. "HAPPY BIRTHDAY @kourtneykardash."
The Blink-182 drummer recently got Kardashian's name inked on his chest.
"This is the happiest Kourtney has been in a while and her family is thrilled for her," a source told ET of the couple earlier this month. "Kourtney and Travis' kids get along great and all have the best time together. Kourtney's been trying to keep their relationship as private as she can on social media, but they're both super into each other and cute together."
While Kardashian has moved on with Barker, Disick has also since moved on with 19-year-old model Amelia Gray Hamlin.
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