Katelyn Marie Tarver (born November 2, 1989) is an American singer/songwriter/actress. She is also known for her recurring roles as Jo Taylor on Big Time Rush, Natalie on No Ordinary Family and as Mercedes on The Secret Life of the American Teenager. Tarver took part in the only season of the reality television program American Juniors. Competing against thousands of others who auditioned for the show, she succeeded in making it to the finals (top ten), but did not win a spot on the five member band. Her debut 'Wonderful Crazy' featured songs written and produced by Mattias Gustafsson (Backstreet Boys) and Kevin Savigar (Josh Gracin, Rod Stewart), as well as Christian recording artist Scott Krippayne who wrote the title track.
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