Bronny James reacts to father LeBron James' insane poster dunk on Jonas Valanciunas (VIDEO). (Image Credit: NBA/X and Getty) Bronny James had a priceless reaction to his father LeBron James ...

On Thursday evening, LeBron James and the Los Angeles Lakers are playing the Boston Celtics (at home). During the first half, James had a huge highlight that got a lot of views on social media.

Bronny James did a perfect job of representing the viewers while LeBron James posterized Wizards ... James has been dunking for the entirety of his career, but it is extraordinary to do it ...