By Aurelie Corinthios
Updated July 22, 2015 04:00 PM

It’s not even Thursday yet, but we’re not complaining – Kendall Jenner took to Instagram to post a throwback video of stepbrother Rob Kardashian that’s got us smiling.

In the spliced footage, which was originally shown during a 2012 Keeping Up with the Kardashians special, “Dishing It Out,” where the family sits down to watch never-before-seen-clips together, Rob can be seen laughing uncontrollably, awkwardly dancing and even jokingly slapping himself in the face.

“This makes me ridiculously happy. @robkardashian,” Kendall, 19, captioned the post on Tuesday, complete with a heart emoji.

In the footage, a few other family members can be seen watching the funny scenes, including Kylie Jenner, Kourtney Kardashian, Khloé Kardashian and Caitlyn Jenner, back when she was known as Bruce Jenner before her transition from male to female.

Rob became the focus of conversation when mother Kris Jenner revealed in an April episode of KUWTK that he had gained more than 100 lbs. this year.

While the 28-year-old has been recently spotted grabbing food or driving his car, he has maintained an extremely low profile and older sister Kim Kardashian West told Today‘s Matt Lauer in April that he may just be “going through a phase where he’s not comfortable in his own skin.”