Nick Viall
Nick ViallInstagram/Nick Viall

"Bachelorette" stars Andi Dorfman and Nick Viall reportedly had an awkward run-in at the New York Fashion Week, and according to a source, Viall was trying hard to get Dorfman's attention.

As fans of "The Bachelorette" know, Viall was a contestant on Dorfman's season of the dating reality show, and things were fine between them till the season 10 finale. Things took a drastic turn when Viall called Dorfman out for sleeping with him during the Fantasy Suite date when she was not in love with him.

And from the look of things, Viall still seems to be harbouring some kind of feelings for Dorfman, a former assistant district attorney.

A source told ET that Viall was keeping very close to Dorfman at the Badgley Mischka show. "Nick appeared very desperate," the source said, adding that he was standing just a few feet from Dorfman and that he was constantly trying to get her attention.

However, she did not seem interested and left the scene soon after, the source added.

Viall has been unlucky in the love department on the two occasions he appeared on the dating reality show. Season 11 of "The Bachelorette" saw him romancing Kaitlyn Bristowe, but she too dumped him in the season finale.

But he has not given up hopes of ever falling in love. Recently, the former "Bachelorette" contestant tweeted about missing someone, and fans have been speculating that he could have finally found love.

"I miss you so much it hurts sometimes," Viall wrote, and fans have been asking him to stay strong.

Although Viall did not find love on "The Bachelorette" he has only fond memories of his time on the show.

"The best part is if you can learn from your experiences and take it all in, you can learn a lot about yourself and kind of more your ability to deal with very difficult and extraordinary situations," he told FOX411. "I think that's the best takeaway in terms of learning more about yourself if you are open to it."