The Keeping Up with the Kardashians star shared an image of her low-key night on Instagram Friday. In the picture, Kardashian, 36, is watching an episode of classic cartoon Scooby Doo.
"Scoobs in bed with my boy," she wrote, probably alluding to the presence of either Mason, 5, or Reign, 7 months. "#perfectfridaynight."
Meanwhile, Disick, 32, spent Friday evening hosting a party at a nightclub in Las Vegas.
Disick told reporters outside of Mirage's 1OAK that he was "excited to be back" at the club. When reporters asked how he has been staying positive, he said "You gotta take every day a day at time I guess, right?"
When Disick initially announced the appearance, Twitter users blasted the star, challenging him to instead focus on his family.
Kourtney Kardashian Breaks Social Media Silence after Split from Scott Disick
Kardashian and Disick, who also share a daughter Penelope, 3, reunited at the Beverly Hills Hotel on Thursday so he could see their children.
A source told PEOPLE the troubled star has agreed to have a chaperone with him when he spends alone time with the couple's children.