UPDATE: The pair have been located safe and well.
Police are seeking information into the whereabouts of two missing females who were last seen in the Shire of Beverley on Sunday evening.
It is believed Emmanuella Marotta, 18, and Gemma Letizia, 19, had gone four wheel driving in the Mt Dale Lookout area in the Shire of Beverley.
Police believe they were also between Armadale and Beverley at about 6.00pm on Sunday.
They were driving a white Toyota Hilux dual cab, registration 1DUC 118 with "LifeStyle Renovations" sign writing on the doors.
Emmanuella is described as approximately 165cm tall, slim build, blonde hair, green eyes and light skinned and was last seen wearing black leggings, black crop top with three quarter sleeves.
Gemma is described as approximately 169cm tall, slim build, brown hair, brown eyes and light skinned and last seen wearing black t-shirt and blue denim shorts.
Anyone who has seen the teenagers, the white Toyota Hilux dual cab or has information on the whereabouts of the girls is asked to call Police immediately on 131 444.