They shook each other's hands!
Some fans couldn't help but think that Zayn actually threw shade at One Direction during his acceptance speech at this year's American Music Awards.
But after seeing a video of his brief encounter with Niall Horan before the show, it seems there's no bad blood between them at all.
When Niall arrived at the Microsoft Theater in Los Angeles, he passed by Zayn's seat and took the initiative to shake hands with his former bandmate. Watch the video which was captured by superfan @EverglowAnne:
Were you happy to see Niall and Zayn's brief reunion? Leave us a comment!