Rick Seibold has worked with what artist known for her role in "Big Time Rush"?
Rick Seibold:  He has worked with artists such as Lee DeWyze, David Archuleta, Katelyn Tarver, Kat DeLuna, and Alex Lambert. Katelyn Tarver:  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