China Anne McClain, Miss Piggy, Sierra, Jake Short and Kermit the Frog
Sierra McCormick (b. 1997) is an American actress, best known for her role in the Disney Channel series A.N.T. Farm as Olive Doyle.
She, along with her castmates China Anne McClain and Jake Short, appeared in The Muppets: Movie Star Secrets as promotion for The Muppets, where she learned about becoming a movie star from Miss Piggy and Kermit the Frog.