UPDATE: Ella has been found safe and well.
KWINANA police are concerned about a missing teenager from Leda who has not been seen since Monday.
Ella Randall (16) is described as fair skinned, with a slim build, approximately 163cms tall, with long blonde hair and green eyes.
She may have a small backpack with her.
Concerns are held for her welfare as she has not been in contact with any family or friends which is out of character.
Ella is believed to be in the Rockingham/Kwinana area.
Anyone who sees Ella, or has any information regarding her whereabouts is asked to call police immediately on 131 444.