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Kylie Jenner, Tyga

Imeh Akpanudosen/Getty Images

New couple alert?

The idea that Kylie Jenner may be dating bestie Jaden Smith is a tale as old as time, but now there's speculation that the brunette beauty is in the midst of a romance with another young celeb and longtime friend.

Jenner, 17, and rapper Tyga, 24, were most recently spotted having dinner together at Kabuki restaurant in Encino, Calif., on Tuesday night, and an eyewitness tells E! News the two had a low-key dinner, sitting next to one another in the booth and were "very chatty and flirty."

The two have been running in the same circle for quite some time now, and they've each posted multiple Instagram pictures that show the twosome hanging out with pals as far back as three months ago.

While their numerous outings, along with the fact that they hang around the same crowd, have sparked dating rumors, a family source tells E! News that the pair are not a couple.

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Surround yourself with good people. Good hearts, Good souls #LastKings

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However, while the insider says they're just friends, another source tells E! News that things have taken a romantic turn between the two. "Tyga and Kylie Jenner have been seeing each other for a few months now. What he likes most about her is that she is a very loyal friend first and foremost and easy to be around. He gets along with her family very well."

Tyga recently posted a photo on Instagram that only further fueled relationship rumors. The snapshot shows him laughing alongside Big Sean, but the focus of the picture is Kylie in the distance. He wrote, "Surround yourself with good people. Good hearts, Good souls #LastKings."

The "Rack City" rapper was previously linked to Blac Chyna, with whom he has one child and who was once Kim Kardashian's workout (and belfie) partner.

—Reporting by Michelle Falls, Ken Baker and Jennifer Cooper

Make sure to catch Kourtney & Khloé Take the Hamptons premiering Nov. 2 at 9 p.m., only on E!

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