Halle Berry — Gabriel Aubry is a Bum … I Want Child Support SLASHED!

EXCLUSIVE

Halle Berry has had it with baby daddy Gabriel Aubry … claiming he has been living ENTIRELY off child support, and she is asking a judge to STOP the gravy teach.

TMZ has learned … Berry filed legal docs asking the judge in their custody case to lower her monthly child support obligation from $ 16,000 a month to just over $ …