Arthur (1981)

The world's richest and most lovable drunk risks everything when he falls in love with an irascible waitress in the hilarious comedy starring Dudley Moore and Academy Award-winner Liza Minnelli - Arthur. Arthur's (Moore) billionaire family gives him an ultimatum: He must choose between marrying the most boring rich girl (Jill Eikenberry) on Long Island or staying with his low-class, shoplifting girlfriend (Minnelli) and losing his inheritance. For the first time in his life, Arthur wants something he cannot buy - the woman he loves. Arthur's valet and best friend (John Gielgud) begs Arthur to marry the deadly dull debutante and keep the money. But Arthur's heart simply won't let him. It's a situation that would drive a man to drink - if he weren't already drunk - in this giddy, bubbly comic masterpiece.