Rapper French Montana didn't even put up a fight ... appearing in a NY courtroom today where he pled guilty to driving his Rolls-Royce Ghost without a license ... then quickly split.
French -- real name Karim Kharbouch -- was fined $588 ... which is due by Aug. 26. His lawyer called the whole thing a mix-up with the DMV and said French just wants to pay the fine and get on with his life.
Khloe Kardashian didn't accompany her rapper boyfriend to court today. But French did voice his support for her brother, Rob Kardashian, who's struggling with a weed and sizzurp addiction.