The former bandmates couldn't help but share their meeting on Instagram.
Liam Payne and Niall Horan had a One Direction reunion!
The 1D members came together at a concert in Indianapolis, Indiana on Friday night.
Payne and Horan reunited backstage at the ZPL Birthday Bash, a concert hosted by local radio station WZPL, and couldn't help but share their reunion with adorable Instagram pics.
"Look who I found," the bandmates shared in videos posted to their Instagram stories.
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ET caught up with Horan ahead of the American Music Awards in November, where he said he was looking forward to getting back together with his former bandmate, Zayn Malik.
"I haven't spoken to him in a few months or whatever, and haven't seen him in a while, so I'm looking forward to seeing him," he told ET.
See more in the video below.