Kylie Jenner & Tyga Dating, Baby Mama Blac Chyna Flaunts Sexy Instagram Cleavage, Jealous Revenge? New 'KUWTK' Relationship 'Wows' Twitter Fans, Too Young? [PHOTOS]

Things are definitely heating-up between Kylie Jenner and Tyga. In fact, it looks like the 17-year-old "Keeping Up With The Kardashians" beauty and 24-year-old "Rack City" rapper are officially dating!

UPDATE: Tyga Confirms Kylie Jenner Romance On Instagram, No Sex Allowed? Fans Harshly Deem Rapper 'Pedophile'

The two young Hollywood stars have been spotted partying together around LA a lot lately. They usually chill with a large group of friends, but just a few days ago, the "couple" was spotted on a private date. Eyewitnesses insist that they were definitely acting more than just friends. Check out the fuzzy escalator snapshot currently going viral on MediaTakeOut.com.

Apparently, Jenner and the eventually met-up with Chris Brown, Karrueche Tran, The Game, and some others at Universal's Horror Nights over the weekend.

Most Twitter fans don't really approve... others just find the relationship amusing. Several agree Tyga should romance a girl closer to his own age:

@daniecal: "That's disgusting. Mating with Tyga is gross enough, but for him to be messing with a 17 yr old Kylie Jenner is wrong on a myriad of levels."

@AceMME17: "Tryna figure out why @KylieJenner didnt just let @Tyga make a song for her? Lls Other homie just gotta work @ the rapping thing a lil longer."

‏@launrey: "Let's face it Kylie Jenner is rumoredly dating Tyga, the ex fiance of her sister Kim's best friend (blac chyna), and she's not even 18 yet. Cool."

@princessceleta: "Kylie Jenner is dating Tyga?! Is he trying to catch a charge?!"

@sumayaMalik1: "Loooool please tell me this is a joke Kylie jenner is not dating tyga like nooooo."

@MssTian: "Kylie Jenner is still 17... like, despite the image she's trying to set, her hanging out with Tyga like that just looks innapropriate."

Tyga's ex-fiancee (and baby mama) Blac Chyna is apparently over the drama - but that doesn't mean she can't flaunt her stuff on social media to capture some extra attention...

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 Got on my Body Wraps again ❤️ Everyone knows how much I love these wraps especially since you can use them anywhere on your body! They're amazing and I wanted to thank the @thedetoxlounge for your personal instructions and the best tips

Obviously, the infamous hip-hop video vixen is a bit more curvaceous than Jenner. Wonder if Tyga misses such "assets" at all?