LeBron James is giving his personal review of Diddy's new project ... and it's safe to say the rap mogul got the King's approval -- 'cause Bron actually took the time to learn the lyrics!!
Well ... some of them.
The Los Angeles Lakers superstar is infamous for his backseat jam sessions whenever new music drops ... and it was only a matter of time before he gave his two cents on the Bad Boy founder's latest effort -- "The Love Album: Off the Grid," which dropped last week.