Katelyn Tarver (born November 2, 1989) is an American actress and singer. She is known for her recurring roles as Jo Taylor on the Nickelodeon series "Big Time Rush", Natalie on the ABC series "No Ordinary Family", and Mercedes on ABC Family "The Secret Life of the American Teenager".
Katelyn Tarver is older than the characters she portrays on television.
She is in her 30's and portrays much younger characters. The system was unable to determine the age of her characters on the shows.