The One Direction star and the 'Keeping Up with the Kardashians' beauty, who recently denied they were dating, were swarmed by fans as they exited the Gansevoort Hotel in New York City to enjoy breakfast in the Meatpacking District.
The 'Story Of My Life' hitmaker, 19, was immediately recognised by a group of young girls as security tried to escort him out of the building, according to UsMagazine.com.
Kendall, 18, who split from her high-school boyfriend Julian Brooks earlier this year, appeared to be startled by the commotion and got caught up in the frenzy as she walked a few feet away from Harry.
The duo recently insisted they were just good friends after being spotted on a dinner date on November 20 in Los Angeles.
The budding model, who is Kim Kardashian's half-sister, previously said: ''[There is] No story. We're friends. He's cool, yeah, he's cool.''
But Harry, who previously dated Taylor Swift, admitted he was uncertain about their relationship status.
He said: ''We went out for dinner, but no, I guess. I don't know.''
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