My Favorite Wife (1940)

Ellen Arden arrives 7 years after being given up for dead in a shipwreck, to find her husband Nick just remarried to Bianca. The overjoyed Nick awkwardly tries to break the news to Bianca gently, but before he can, he gets an unpleasant surprise: news that Ellen had spent those 7 years on a deserted island with fellow-survivor Burkett. As Nick's jealousy tries to find out the truth, hilarious confusion reigns before Nick chooses his favorite wife.