Update: The family found Tristyn Gammiere Saturday and she's doing fine. Thank you everyone for your help.
Tristyn Gammiere of Mentor-on-the-Lake has been missing since 9 p.m. Friday and her family is searching for her or any information that will help find her.
She was last seen at the Toby Keith concert at Blossom Music Center. She was wearing a cream-colored dress and brown cowboy boots.