EXCLUSIVE: Kylie Jenner and Tyga 'Look Very Much Together' on Quiet Dinner Date

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It's hard to keep up with the Kardashians these days -- specifically, when it comes to their relationships.

Although a new Keeping Up With the Kardashians teaser has 18-year-old Kylie crying over her on-again, off again relationship with 26-year-old rapper Tyga, as for now, it's definitely on. The two enjoyed a drama-free dinner date at Craig's restaurant in West Hollywood, California, on Sunday night, a source tells ET.

The casually dressed pair kept quiet in a corner booth at the very back of the restaurant, with Tyga drinking a Shirley Temple while Kylie sipped on soda, the eyewitness says.

WATCH: Kylie Jenner Loses Her Mind Over Tyga When He Crashes the Kardashian Family Vacation

"They look very much together," the eyewitness also notes, adding that the pair definitely didn't want to be seen.

Kylie Instagrammed a selfie of her outfit on Sunday, also sporting a Drake-inspired cellphone case reading "1-800-HOTLINE BLING." Interestingly enough, Tyga and Drake's relationship hasn't always been the friendliest.

Last Thursday, Kylie hinted on her website and mobile app that she wants to be single.

"I kinda just want to date myself," Kylie told her friend, Jordyn Woods. "I feel like I've been in a relationship for, like, six years. I have just gone from one person to the next."

"Now I feel like I really need to find myself this year and have a relationship with myself," Kylie continued. "Because I don't know what it feels like to be by myself. I feel like you need to love yourself before you can love anybody else."

As for Tyga, he definitely appears to be all in on the relationship. Last Wednesday, he said he was "sure" that he wants to marry Kylie during his appearance on Kocktails With Khloe. "Ya'll know," he told a smiling Khloe Kardashian, and Khloe's BFF, Malika Haqq.

WATCH: Tyga Says He's 'Sure' He Wants to Marry Kylie

When ET caught up with Khloe last month, even she admitted she couldn’t keep track of her sister's love life.

"Literally I ask her, one day she's out with him and then the next day she's like, 'Oh, I don't know what to do,'" Khloe said. "Like, she's 18!"

"It's crazy but I can't even say, like, ... 'Oh, she's broken up, or, 'Oh, she's together,' because the next day it changes," she added. "Like, it's so different in an 18-year-old's world."

Watch Khloe talk about her own complicated relationship with NBA pro James Harden below:

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