The streets of Los Angeles will be free of Amanda Bynes, for now at least.

A judge has denied the troubled starlet's appeal to be released from an involuntary psych hold at mental health facility in Ventura County, Calif., Breaking Celebrity News has exclusively learned.

The judge -- who conducted the hearing at the facility -- cited the fact she is not stable on her medication and has not yet been formally diagnosed as the reasons for the decision, a source close to the situation