James Harden may have just made things A LOT worse for himself ... because rapper Lil B is threatening to UP THE CURSE on the NBA star in the wake of a Harden smack talk session.
Lil B just appeared on "TMZ Hollywood Sports" and said Harden was straight up LYING when the NBA star told us he's never heard of Lil B and didn't steal his cooking dance.
So, what's gonna happen to Harden now? Watch the clip and find out ...
Check out "TMZ Hollywood Sports" weeknights on Reelz.
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