Farrah Abraham's taking Mommy & Me day to a whole new level -- bringing her 9-year-old daughter to court to watch Mommy get arraigned for battery.

The ex-'Teen Mom' pled not guilty Monday in L.A. for her June arrest in Beverly Hills. TMZ broke the story ... Farrah was charged with battery and resisting an officer when she allegedly got physical with a security guard who had asked her to leave the Beverly Hills Hotel. She also got belligerent with and taunted police.

TMZ.com

Our camera was rolling when Farrah -- with Sophia in tow -- arrived at court. She described the legal drama as a case of bullying courtesy of ... Beverly Hills.