Article continues below advertisementGeorge Clooney surprisingly revealed that he used to be on great terms with Donald Trump before the latter went into politics and "changed."Though the liberal actor has continuously shaded the Republican since he took office, he touched on their past relationship in a new interview.Article continues below advertisementGeorge Clooney 'Knew' Donald Trump 'Very Well'Source: megaGeorge Clooney admitted Donald Trump was a 'goofball' before the politician 'changed.'"I knew him very well," the dad-of-two confessed to an entertainment outlet.