A Bartlesville family is asking for help in locating their daughter with developmental disabilities after she went missing Friday night in Tulsa.

 40-year-old Katie Vaclaw was attending a prom event Friday at the Cox Business Convention Center in downtown Tulsa, celebrating those with special needs. Vaclaw lives at at a residential facility in Tulsa. According to reports, while at the prom, Vaclaw told her friend she needed to use the restroom, but never returned. She was last seen around 9 p.m. Friday. Katie is described as 4 foot, 5 inches tall, and weighs about 102 pounds with light brown hair and brown eyes. Katie was last seen wearing a peach dress. She suffers from Prader-Willi Sydrome and has the demeanor of a young child.

Katie is believed to be somewhere in the Tulsa area. If you have any information on Katie’s location, contact Tulsa Police at 918-596-9222. There is also a private number to call, 405-923-1269.