Shelby Dawn Williams has been missing for five days. (Saint John Police)

The Saint John Police are searching for a missing 20-year-old female who was last seen five days ago.

Shelby Dawn Williams was last spotted at midnight, according to a police statement.

The police say she is known to hang around or frequent the Waterloo Street area of Saint John.

Williams is described as being five-feet-four-inches tall and weighs roughly 110 pounds.

She has a slim build, hazel eyes and shoulder length brown hair. 

She was last seen wearing a bright green coat.