The teenager accused of killing a Christchurch mother has appeared before a closed court.

The woman, who has interim name suppression, is accused of murdering Alicia Nathan on Saturday night at a house on Avonhead Rd.

She will reappear at the High Court in Christchurch on August 25.

The 18-year-old's appearance was closed to the public, because the judge was concerned about emotional friends of the victim interrupting court services.

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However, the victim's family had asked friends and family on Facebook not to show up to the appearance.