Her daughter, 23-year-old Tami Smith, pleaded no contest to the same charges in April. She was sentenced in June to probation.
The women had advertised themselves on Craigslist as a sexy mother-daughter team.
Smith's attorney, Dennis Turner, has said the two were trying to feed their drug habit by selling their bodies.
An undercover officer responded to one of the ads and the pair was arrested last October.
