6:58 PM PT -- King James shared his reaction before the Lakers tipped off against the Warriors ... and it's safe to say he's thrilled over his son's choice.
"FIGHT ON u270cud83cudffe!!!" LBJ said on Instagram. "So damn proud of you kid! I have no words besides I LOVE YOU @bronny!!! LET'S GO!!!!!!!!"
LeBron James' high school superstar son, Bronny, just revealed where he will suit up next season -- he has committed to play for the USC Trojans.
The 18-year-old dropped an Instagram post to share the news minutes ago .