Melissa Theron currently resides in Johannesburg but was visiting friends and family in Witbank and Middelburg before they lost touch with her.
She was last seen yesterday walking down Lilian Ngoyi Street, and later again at Shoprite in Middelburg CBD.
All attempts to reach her on her phone have been unsuccessful.
Anyone with information is urged to please call her mother Ansie on 083 313 8860, or alternatively 082 422 3326.