Phoebe Jones was last seen about 10am Monday morning at her address in the outer Melbourne suburb of Emerald.
Law enforcement, and Jones' family, hold serious concern for the her safety.
They have released images of Phoebe in the hope someone recognises her and can provide information that may help locate her.
Anyone with information regarding her current whereabouts is urged to contact Pakenham Police Station on 5945 2500.
This article originally appeared on New Idea.