Mason and Reign Disick get hoisted at Bar Mitzvah, new video

Mason and Reign Disick rode high at Mason's bar mitzvah, with revelers lifting the famous brothers to the skies...and new footage from the explosive party shows the epic moment!

You need to see the video... Mason and his younger brother are in the middle of a huge crowd of people, with sparklers and Mason's bar mitzvah cake being carried to him when suddenly he stands up... hoisted on people's shoulders. FYI... Jewish tradition is to hoist the bar mitzvah boy onto a chair, but hey... lifting them outright is fine too.

While it was Mason's bar mitzvah, he shares a birthday with Reign...so they were both hoisted into the air...even though Reign is still a few years away from becoming a man in Jewish culture.

As you can see, proud dad Scott Disick beams from the sidelines.

Scott rented the Offsunset Lounge, a Hollywood hotspot on the Sunset Strip, for the evening.

There were 200 people at the party, including 100 friends of Mason and Reign. Like any good bar mitzvah, the kids were...