Shawntia Hardaway, who accused the Baltimore-born performer on October 1 of assaulting her and trashing their Fells Point apartment, appeared before the District Court of Maryland for Baltimore City this afternoon and asked for the charges to be dropped.
She has battled heroin addiction in the past.
Prosecutors dismissed all charges against the singer, whose full name is Mario Dewar Barrett.
Hardaway's attorney, Richard Woods, said she was upset when she filed the police report.
"It was much to do about nothing," he said. "I met with her, she told me what happened and there wasn't any criminal action on the part of Mario."
Barrett's attorney, William Murphy Jr.*, said her action vindicated his client.
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Photo: Central booking
*This post incorrectly stated the name of Mario's attorney; it is William H. Murphy Jr.