LeBron James and Drake's severed friendship is past the point of no return -- the Lakers superstar was spotted rapping to Kendrick Lamar's "Not Like Us" in Cannes this week ... and to make matters worse for the 6ix God, Jeff Bezos and Lauren Sanchez were vibing along, too!!
The video is making rounds on social media on Tuesday ... showing Bron's table -- including his wife, Savannah, and business partner Maverick Carter -- jamming to K.