Do Katy Perry and Niall Horan have something to tell us?

The 'Roar' singer and the One Direction star have repeatedly teased the public with jokes about their so-called engagement -- but we're starting to worry that they're not joking at all!

Katy and Niall were spotted last night (Dec. 4) leaving New York City hotspot the Soho House within mere minutes of each other. So does John Mayer have something to worry about, too?

Not if you believe what Horan told Ryan Seacrest on his radio show this morning (Dec. 5): "I was in there and I think she was doing an interview or something and she was there. I was leaving and she left and we didn't have dinner or anything together," he explained. "I just said 'Hello' to her."

It might have been just the coincidence that Niall says it was -- but when questioned by Ryan, he did admit to crushing on Katy for real. "Who doesn't have a crush on Katy Perry?" Niall responded.

While Horan says he's single, rumors have him secretly dating U.K. television star Louise Thompson. Perry, of course, is pretty serious about -- and posing for sexy photos with -- duet partner Mayer.

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