Following reports that she has split from her high school sweetheart Julian Brooks, reality star Kendall Jenner has been romantically linked to rapper Young Jinsu.

People reported on Thursday that the Keeping Up With The Kardashians star has secretly been dating him for several months.

A source told the celebrity magazine: "They're dating - it's been at least a few months.They;'ve been getting closer recently, and they've been hanging out all the time." 

The insider alleged that the pair intends to go public with their relationship after her 18th birthday on Nov. 3.

"They have that spark right now - they're just really feeling each other," added the insider. "They're not putting it out there yet." 

Jenner, however, debunked the claim shortly after the report was published on PEOPLE's website.

She wrote on Twitter, "enough with the rumors. I'm single people!"

The rumor stemmed from the rapper posted on Instagram of an unidentified male that is presumed to be him standing next to a woman whose face is unseen. The mystery woman is holding her hands up in a position of a heart sign.

The image, however, was originally posted by Jenner's younger sister Kylie Jenner on her Instagram on Oct. 10. Kylie's followers assumed that it was her with her rumored boyfriend, actor Jaden Smith. The image has garnered over 360,000 "likes" by her fans.

Kendall reportedly broke up with her high school sweetheart, college football player Julian Brooks. An insider said in a previous issue of Star, the reality star feared he was cheating on her because he would be unavailable for several days at a time.

"He would disappear for days and not answer Kendall's text messages," a source said.

The friend said she ended their relationship because "she couldn't live with the doubt" of wondering if he was cheating or not.

Tags: Kendall Jenner Kylie Jenner