Nearly two months after their split, exes Scott Disick and Sofia Richie reunited at Kendall Jenner’s Halloween party—but that doesn’t mean they’re back together. The former couple just happened to bump into each other after both snagging invites to Jenner’s Halloween-themed birthday bash ahead of the model’s 25th birthday on October 31. And their encounter went just “fine,” a source told HollywoodLife.