Arthur (1981)

Moral: Money can buy happiness, but not love.

Dudley Moore stars as the title character, an ambition-less drunk with an infectious laugh and heaps of old money. Moore has to marry fellow gazillionaire Jill Eikenberry to receive his full inheritance, but ends up falling for a commoner (Liza Minelli). An infatuation with Minelli? Talk about beer-goggling...