On Sunday, Sept. 12, the two stars took the Video Music Awards stage together, where they announced the night's final performance that featured Machine Gun Kelly performing his latest single "papercuts." Joining MGK on the drums was Travis Barker, who also plays on the studio version of the recent song.
"I'm a huge fan of this next performer," Megan, 35, told the crowd. "I've watched him grow, and not just as an artist, but also as a person."
This led Kourtney, 42, to quip, "I'm a fan, too, and I think his drummer is super hot."
Megan then delivered the moment that made viewers' jaws drop when she added, "New York, I need you to get extra loud for our future baby daddies, Machine Gun Kelly and Travis Barker."
It was already a memorable night for MGK, 31, who took home the Best Alternative prize for "my ex's best friend" featuring rapper blackbear.
The Transformers actress was clearly joking with her "future baby daddies" remark, although it probably wouldn't come as an overwhelmingly shock to anyone if both couples have indeed discussed starting families of their own.
After all, a source told E! News in July that Kourtney and Travis, 45, "have talked about marriage" and are "in it for the long haul." Meanwhile, Megan and MGK sparked engagement rumors earlier this month, although the actress' rep told E! News that the pair is not engaged.
Regardless, Kourtney is about to have a new baby in her life, as sister Kylie Jenner recently confirmed she is expecting her second child with rapper Travis Scott. During the VMAs, Travis gave a sweet shout-out to Stormi Webster, the 3-year-old daughter he shares with Kylie.
Check out the full 2021 VMAs winners list here.