He Will Rock You.

Heath Ledger stars as William Thatcher, a peasant squire who breaks all the rules when he passes himself off as a nobleman and takes the jousting world by storm. The only thing standing between William and his dream of becoming the World Champion is bad boy Count Adhemar. When the two rivals go lance to lance at the world finals to determine who will be named the ultimate champion, you'd better arm yourself and hang on tight for the thrill ride of your life!