GRAND SALINE, Texas -- Authorities have issued an AMBER Alert for a 14-year-old Van Zandt County girl.

According to the Van Zandt County Sheriff's Office, 14-year-old Willow Sirmans of Grand Saline was last seen Monday night around 10 p.m. in 3000 Block of Van Zandt County Road 1712.

Sirmans is three feet tall and weighs 75 pounds. She has strawberry blonde hair, blue eyes and braces on her teeth.

Officials believe she is with 21-year-old Austen Walker. Walker is described as five feet and nine inches and weighing 140 pounds. He has brown hair and green eyes. He has tattoos on both arms and a scar on his right arm.

Thursday morning authorities updated the alert saying they are also looking for a white Toyota Camry with Texas license plate number LGH9294.

If you have any information related to the whereabouts of Sirmans, please contact the Van Zandt County Sheriff's Office at 903-567-4133.