Grand Champion

Grand Champion also released as Buddys World in Germany is a 2002 family film, starring Jacob Fisher, George Strait, Emma Roberts and Joey Lauren Adams, about a young boy who wants his calf Hokey to grow up to be the Grand Champion. George Strait does the Hokey Pokey in it, and many other country stars, as well as actors such as Bruce Willis and Julia Roberts, appear during the film.

Source: Wikipedia