In 2009 , Thornton appeared as Tawni Hart on the Disney Channel Original Series , Sonny with a Chance and then went on to play a part in the Disney Channel Original Movie Hatching Pete .
In 2009 , she began her role as Tawni Hart on the Disney Channel Original Series , Sonny with a Chance and then went on to play a part in the Disney Channel Original Movie , Hatching Pete .