Christine was last seen after leaving her home at around 4.50pm on Thursday 8 April.
She is described as a white female, around 5ft 4in in height, with short, brown hair.
Christine was wearing a wearing a blue puffer jacket with a fur collar, denim jeans, slippers, and possibly a white, pom hat.
If you have seen Christine, or know of her whereabouts, please call police immediately on 999, quoting log number 812 of 8 April.