Nicki Minaj's Boyfriend Pleads Guilty To Driving On A Suspended License

More legal troubles for Nicki Minaj's bad boy boyfriend ... he just pled guilty to driving on a suspended license. 

According to court files, obtained by TMZ, Kenneth Petty pled guilty in New York to aggravated unlicensed operation of a motor vehicle. Kenneth's gotta pay $88 in fines and clear his license.